TASK Publications

Publications

Lamsal R, Yeh A, Pullenayegum E, Ungar WJ. A systematic review of methods and practice for integrating maternal, fetal and child health outcomes, and family spillover effects into cost-utility analyses. PharmacoEconomics, 42:843-863, 2024.
Marshall DA, Hua N, Buchanan J, Christensen KD, Frederix GWJ, Goranitis I, IJzerman MJ, Jansen JP, Lavelle TA, Regier DA, Smith HS, Ungar WJ, Weymann D, Wordsworth S, Phillips KA. Paving the path for implementation of clinical genomic sequencing globally – Are we ready? Health Affairs Scholar, 2(5):qxae053, 2024.
Gauvreau CL, Schreyer L, Gibson P, Koo A, Ungar WJ, Regier D, Chan K, Hayeems R, Gibson J, Palmer A, Peacock S, Denburg AE. Development of a value assessment framework for pediatric health technologies using multi-criteria decision analysis: expanding the value lens for funding decision-making. Value in Health, 27(7):879-888, 2024.
Lee W, Hirjikaka D, Grewal S, Shaw A, Luca S, Clausen M, Bombard Y, Hayeems R, Genetics Navigator Study Team. Genetics providers’ perspectives on the use of digital tools in clinical practice. Genetics in Medicine, 26(6):101122, 2024.
Ungar WJ, Herdman M. Meeting the challenges of preference-weighted health-related quality of life measurement in children. PharmacoEconomics, 42(Suppl 1):3-8, 2024.
Lamsal R, Yeh A, Pullenayegum E, Ungar WJ. A systematic review of methods used by pediatric cost-utility analyses to include family health spillover effects. PharmacoEconomics, 42(2):199-217, 2024.
Henry E, Al-Janabi H, Brouwer W, Cullinan J, Engel L, Griffin S, Hulme C, Kingkaew P, Lloyd A, Payakachat N, Pennington B, Peña-Longobardo LM, Prosser LA, Shah K, Ungar WJ, Wilkinson T, Wittenberg E. Spillovers in Health Economic Evaluation and Research (SHEER) Task Force: Emerging good practice and recommendations for a future research agenda. PharmacoEconomics, 42(3):343-362, 2024.

Gattini D, Belza C, Kraus R, Avitzur Y, Ungar WJ, Wales P. Cost-utility analysis of teduglutide compared to standard care in weaning parenteral nutrition support in children with short bowel syndrome. Clinical Nutrition, 42(12):2363-2371, 2023.
Tsiplova K, Ungar WJ. Why it is so challenging to perform economic evaluations of interventions in autism and what to do about it. Autism Research, 1-10, 2023.
Hayeems RZ, Luca S, Chad L, Quercia N, Xiao B, Hossain A, Meyn S, Pullenayegum E, Ungar WJ. Assessing the performance of the Clinician-reported Genetic testing Utility InDEx (C-GUIDE): Further evidence of inter-rater reliability. Clinical Therapeutics, 45(8):729-735, 2023.
Ungar WJ, Hayeems RZ, Marshall CR, Gillespie MK, Szuto A, Chisholm C, Stavropoulos DJ, Huang L, Jarinova O, Wu V, Tsiplova K, Lau L, Lee W, Venkataramanan V, Sawyer S, Mendoza-Londono R, Somerville MJ, Boycott KM and the Genome Sequencing Ontario Secondary Findings Study Team. Protocol for a prospective observational cost-effectiveness analysis of returning secondary findings of genome sequencing for unexplained suspected genetic conditions. Clinical Therapeutics, 45(8):702-709, 2023.
Xie X, Schaink AK, Gao C, Gajic-Veljanoski O, Ungar WJ, Volodin A. Evaluating the correlations of cost and utility parameters from the summary statistics for probabilistic analysis in economic evaluations. Expert Review of Pharmacoeconomics & Outcomes Research, 23(8):901-909, 2023.
Bashir NS, Walters TD, Griffiths AM, Otley A, Critch J, Ungar WJ. A comparison of the Child Health Utility 9D and the Health Utilities Index for estimating health utilities in pediatric inflammatory bowel disease. Quality of Life Research, 32(9):2527-2539, 2023.
Subasri M, Cressman C, Arje D, Schreyer L, Cooper E, Patel K, Ungar WJ, Barwick M, Denburg A, Hayeems RZ. Translating precision health for pediatrics: A scoping review. Children, 10(5):897, 2023.
Bashir NS, Hughes A, Ungar WJ. Infliximab pricing in international economic evaluations in inflammatory bowel disease to inform biologic and biosimilar access policies: A systematic review. Medical Decision Making Policy & Practice, 8(1):1-22, 2023.
Chen Y-J, Duku E, Zaidman-Zait A, Szatmari P, Smith IM, Ungar WJ, Zwaigenbaum L, Kerns C, Vaillancourt T, Bennett T, Elsabbagh M, Thompson A, Georgiades S. Variable patterns of daily activity participation across settings in autistic youth: A latent profile transition analysis. Autism, 27(8):2241-2255, 2023.
Luca S, Clausen M, Shaw A, Lee W, Krishnapillai S, Adi-Wauran E, Faghfoury H, Costain G, Jobling R, Aronson M, Liston E, Silver J, Shuman C, Chad L, Hayeems RZ, Bombard, Y, Genetics Navigator Study Team. Finding the Sweet Spot: Exploring patients’ acceptability of chatbots in genetic service delivery. Human Genetics, 142(3): 321-330, 2023.
Xie X, Gajic-Veljanoski O, Ungar WJ, Hussain S, Tu HA. Modeling methods and the degree of parameter uncertainty in probabilistic analyses of economic evaluations. Network Modeling Analysis in Health Informatics and Bioinformatics, 12(1):9, 2023.
Tsiplova K, Ungar WJ, Szatmari P, Cost K, Pullenayegum E, Duku E, Volden J, Smith IM, Waddell C, Zwaigenbaum L, Bennett T, Elsabbagh M, Georgiades S, Zaidman-Zait A. Measuring the association between behavioural services and outcomes in young children with autism spectrum disorder. Research in Developmental Disabilities, 132:104392, 2023.
Lee W, Shickh S, Assamad D, Luca S, Clausen M, Somerville C, Tafler A, Shaw A, Hayeems RZ, Bombard Y, Genetics Navigator Study Team. Patient-facing digital tools for delivering genetic services: A systematic review. Journal of Medical Genetics, 60(1):1-10, 2023.
Belza C, Avitzur Y, Ungar WJ, Stremler R, Fehlings D, Wales PW. Stress, anxiety and health-related quality of life in caregivers of children with intestinal failure on parenteral nutrition: A cross-sectional survey study. Journal of Parenteral and Enteral Nutrition, 47(3):342-353, 2023.
Bashir NS, Walters TD, Griffiths AM, Otley A, Critch J, Ungar WJ. A comparison of preference‐based, generic and disease‐specific health‐related quality of life in pediatric inflammatory bowel disease. Journal of the Canadian Association of Gastroenterology, 6(2):73-79, 2023.
Asare A, Maurer D, Wong AMF, Ungar WJ, Saunders N. Cost-effectiveness of universal school- and community-based vision testing strategies to detect amblyopia in children in Ontario, Canada. JAMA Network Open, 6(1):e2249384, 2023.

Butcher, NJ. Monsour A, Mew EJ, Chan A-W, Moher D, Mayo-Wilson E, Terwee CB, Chee-A-Tow A, Baba A, Gavin F, Grimshaw J, Kelly LE, Saeed L, Thabane L, Askie L, Smith M, Farid-Kapadia M, Williamson P, Szatmari P, Tugwell P, Golub RM, Monga S, Vohra S, Marlin S, Ungar WJ, Offringa M. Guidelines for reporting outcomes in trial protocols: The SPIRIT-Outcomes 2022 extension. JAMA, 328(23):2345-2356, 2022.
Butcher NJ, Monsour A, Mew EJ, Chan A-W, Moher D, Mayo-Wilson E, Terwee CB, Chee-A-Tow A, Baba A, Gavin F, Grimshaw J, Kelly LE, Saeed L, Thabane L, Askie L, Smith M, Farid-Kapadia M, Williamson P, Szatmari P, Tugwell P, Golub RM, Monga S, Vohra S, Marlin S, Ungar WJ, Offringa M. Guidelines for reporting outcomes in trial reports: The CONSORT-Outcomes 2022 extension. JAMA, 328(22):2252-2264, 2022.
Hayeems RZ, Luca S, Hurst ACE, Cochran M, Owens C, Hossain A, Chad L, Meyn MS, Pullenayegum E, Ungar WJ, Bick D. Applying the Clinican-reported Genetic testing Utility InDEx (C-Guide) to genome sequencing: Further evidence of validity. European Journal of Human Genetics, 30(12):1423-1431, 2022.
Belza C, Ungar WJ, Avitzur Y, Stremler R, Fehlings D, Wales PW. Carrying the burden: Informal care requirements by caregivers of children with intestinal failure receiving home parenteral nutrition. Journal of Pediatrics, 250:75-82.e3, 2022.
Ungar WJ, Tsiplova K. Economic evaluations of early intensive behavioral interventions for autism. Chapter 36, pp. 679-699 in Matson JL, Sturmey P (Eds), Handbook of Autism and Pervasive Developmental Disorders. Autism and Child Psychopathology Series. Springer Nature Switzerland AG: Basel, 2022.
Syed N, Ryu MH, Dhillon S, Schaeffer MR, Ramsook AH, Leung JM, Ryerson CJ, Carlsten C, Guenette JA; Canadian Respiratory Research Network. Effects of traffic‐related air pollution on exercise endurance, dyspnea, and cardiorespiratory responses in health and COPD: A randomized, placebo‐controlled, crossover trial. Chest, 161(3): 662‐675, 2022.
Hayeems RZ, Marshall CR, Gillespie MK, Szuto A, Chisholm C, Stavropoulos DJ, Price EM, Khan R, Lee W, Huang L, Jarinova zo, Ungar WJ, Mendoza R, Somerville MJ, Boycott KM. Genome-wide Sequencing Ontario (GSO): An implementation pilot protocol to improve rare disease diagnostics. Canadian Medical Association Journal, 10(2): E460-465, 2022.
Xie X, Tiggelaar S, Wang M, Vandersluis S, Ungar WJ. Developing economic models for assessing the cost-effectiveness of multiple diagnostic tests: Methods and Applications. Medical Decision Making, 42(7): 861-871, 2022.
Tsiplova K, Jegathisawaran J, Mirenda P, Kalynchuk K, Colozzo P, Smith V, Ungar WJ. Parent coaching intervention for children with suspected autism spectrum disorder: Cost analysis. Research in Autism Spectrum Disorders, 93:10149, 2022.
Cernat A, Bashir NS, Ungar WJ. Considerations for developing regulations for direct-to-consumer genetic testing: a scoping review using the 3-I Framework. Journal of Community Genetics, 13(2): 155-170, 2022,
Jegathisawaran J, Tsiplova K, Hayeems R, Marshall CR, Stavropoulos DJ, Pereira SL, Thiruvahindrapuram B, Liston E, Reuter MS, Manshaei R, Cohn I, Jobling R, Kim RH, Mital S, Ungar WJ. Trio genome sequencing for developmental delay and pediatric heart conditions: A comparative microcost analysis. Genetics in Medicine, 24(5): 1027-1036, 2022.
Belza C, Patterson C, Ghent E, Avitzur Y, Ungar WJ, Fehlings D, Stremler R, Wales PW. “Line care governs our entire world”: Understanding the experience of caregivers of children with intestinal failure on long-term parenteral nutrition. Journal of Parenteral and Enteral Nutrition, 46(7): 1602-1613, 2022.
Mirenda P, Colozzo P, Smith V, Kroc E, Kalynchuk K, Rogers SJ, Ungar WJ. PACE coaching: A randomized, community-based feasibility trial of modified ESDM for toddlers with suspected autism. Journal of Autism and Developmental Disorders, 52(12):5322-5341, 2022.
Pickles A, Wright N, Bedford R, Steiman M, Duku E, Bennett T, Georgiades S, Kerns CM, Mirenda P, Smith IM, Ungar WJ, Vaillancourt T, Waddell C, Zaidman-Zait A, Zwaigenbaum L, Szatmari P, Elsabbagh M. Predictors of language regression and its association with subsequent communication development in children with autism. Journal of Child Psychology and Psychiatry, 63(11): 1243-1251, 2022.
Mirenda P, Smith V, Colozzo P, Vismara LA, Ungar WJ, Kalynchuk K. Training coaches in community agencies to support parents of children with suspected autism: Outcomes, facilitators, and barriers. Journal of Autism and Developmental Disorders, 52(1): 4931-4948, 2022.
D’Entremont B, Flanagan HE, Ungar WJ, Waddell C, Garon N, den Otter J, Leger N, Vezina F, Smith IM. Comparing the impact of differing preschool autism interventions on parents in two Canadian provinces. Journal of Autism and Developmental Disorders, 52(11) 5018-5032, 2022.
Li C, Vandersluis S, Holubowich C, Ungar WJ, Goh ES, Boycott KM, Sikich N, Dhalla I, Ng V. Correspondence on “Cost or price of sequencing? Implications for economic evaluations in genomic medicine” by Grosse and Gudgeon. Genetics in Medicine, 24(1): 251-252, 2022.
Georgiades S, Tait PA, McNicholas PD, Duku E, Zwaigenbaum L, Smith IM, Bennett T, Elsabbagh M, Kerns CM, Mirenda P, Ungar WJ, Vaillancourt T, Volden J, Waddell C, Zaidman-Zait A, Gentles S, Szatmari P. Trajectories of symptom severity in children with autism: Variability and turning points through the transition to school. Journal of Autism and Developmental Disorders, 52(1): 392-401, 2022.
Denburg AE, Giacomini M, Ungar WJ, Abelson J. Ethical and social values for paediatric health technology assessment and drug policy. International Journal of Health Policy and Management, 11(3): 374-382, 2022.
Bashir NS, Walters TD, Griffiths AM, Ito S, Ungar WJ. Imputing missing patient-level data and propensity score matching in cost-effectiveness analysis. Expert Review of Pharmacoeconomics & Outcomes Research, 22(3): 445-454, 2022.
Hayeems RZ, Michaels-Igbokwe C, Venkataramanan V, Hartley T, Acker M, Gillespie M, Ungar WJ, Mendoza-Londana R, Bernier F, Boycott KM, Marshall DA. The complexity of diagnosing rare disease: An organising framework for outcomes research and health economics based on real world evidence. Genetics in Medicine, 24(3): 694-702, 2022.
Asare AO, Maurer D, Wong AMF, Ungar WJ, Saunders N. Socioeconomic status and vision care services in Ontario, Canada: A population-based cohort study. Journal of Pediatrics, 241: 212-202.e2, 2022.
Asare AO, Wong AMF, Maurer D, Kulandaivelu Y, Saunders N, Ungar WJ. Economic evaluations of vision screening to detect amblyopia and refractive errors in children: A systematic review. Canadian Journal of Public Health, 113(2): 297-311, 2022.
Berrigan, P, Hicks GG, Ungar WJ, Zwicker JD. Budget impact analysis of an epigenetic test used for diagnosing fetal alcohol spectrum disorder from the perspective of a laboratory budget holder in Manitoba, Canada. Pharmacoeconomics Open, 6(2): 253-263, 2022.
Ameis SH, Haltigan JD, Lyon RE, Sawyer A, Mirenda P, Kerns CM, Smith IM, Vaillancourt T, Volden J, Waddell C, Zwaigenbaum L, Bennett T, Duku E, Elsabbagh M, Georgiades S, Ungar WJ, Zaidman-Zait A, Lai M-C, Szatmari P. Middle-childhood executive functioning mediates associations between early-childhood autism symptoms and adolescent mental health, academic and functional outcomes in autistic children. Journal of Child Psychology and Psychiatry, 63(5): 553-562, 2022.
Hayeems RZ, Luca S, Ungar WJ, Venkataramanan V, Tsiplova K, Bashir NS, Costain G, Inglese C, McNiven V, Quercia N, Shugar A, Yoon G, Cytrynbaum C, Dupuis L, Shao Z, Hewson S, Shuman C, Aul R, Liston E, Babul-Hirji R, Bushby A, Pullenayegum E, Chad L, Meyn MS. The Clinician-reported Genetic testing Utility InDEx (C-GUIDE): Preliminary evidence of validity and reliability. Genetics in Medicine, 24(2): 430-438, 2022.

Lin E, Durbin J, Ungar W, Lero D, Volpe T, Selick A. Measuring the family/friend caregiver experience in Ontario: Pilot study results. Version 2.0 (Revised August 13, 2021).
Ungar WJ. Assessing value in child health. Children, October, 8(11): 972, 2021.
Courchesne V, Bedford R, Pickles A, Duku E, Kerns C, Mirenda P, Bennett T, Georgiades S, Smith IM, Ungar WJ, Vaillancourt T, Zaidman-Zait A, Zwaigenbaum L, Szatmari P, Elsabbagh M. Non-verbal IQ and change in restricted and repetitive behaviors throughout childhood in autism: A longitudinal study using the Autism Diagnostic Interview-Revised. Molecular Autism,12(1):1-57, 2021.
Cernat A, Hayeems RZ, Ungar WJ. Cascade health service use in family members following genetic testing in children: A scoping literature review. European Journal of Human Genetics, 29(1): 1601-1610, 2021.
Orkin J, Major N, Esser K, Parmar A, Couture E, Daboval T, Kieran E, Ly L, O’Brien K, Patel H, Synnes A, Robson K, Barreira L, Smith WL, Rizakos S, Willan A, Yaskina M, Moretti ME, Ungar WJ, Ballantyne M, Church P, Cohen E. Coached, Coordinated, Enhanced Neonatal Transition (CCENT): Protocol for a multicentre pragmatic randomized controlled trial for parents of high-risk infants. BMJ Open, 11(7):e046706, 2021.
Gorter JW, Amaria K, Kovacs A, Rozenblum R, Thabane L, .Galuppi B, Nguyen L, Strohm S, Mahlberg N, Via-Dufresne Ley A, Marelli A, CHILD-BRIGHT READYorNot^TM Brain-Based Disabilities Trial Study Group. CHILD-BRIGHT READYorNot Brain-Based Disabilities Trial: protocol of a randomised controlled trial (RCT) investigating the effectiveness of a patient-facing e-health intervention designed to enhance healthcare transition readiness in youth. BMJ Open, 11(3):e048756, 2021.
Cernat A, Hayeems RZ, Prosser LA, Ungar WJ. Incorporating cascade effects of genetic testing in economic evaluation: A scoping review of methodological challenges. Children, 8(5): 346, 2021.
Bashir NS, Walters TD, Griffiths AM, Ungar WJ. An assessment of the validity and reliability of the pediatric Child Health Utility 9D in children with inflammatory bowel disease. Children, 8(5): 343, 2021.
Hayeems RZ, Luca S, Assamad DA, Bhatt A, Ungar WJ. Utility of genetic testing from the perspective of parents/caregivers: A scoping review. Children, 8(4): 259, 2021.
Moretti ME, Ungar WJ, Freedman SB, Schuh S. Cost-effectiveness of preferred fluids versus electrolytes in pediatric gastroenteritis. Canadian Journal of Emergency Medicine, 23(1): 646-654, 2021.
Denburg AE, Giacomini M, Ungar WJ, Abelson J. The moral foundations of child health and social policies: A critical interpretive synthesis. Children, 8(1): 43, 2021.
Berrigan P, Hodge J, Kirton A, Moretti ME, Ungar WJ, Zwicker J. Protocol for a cost utility analysis of neurostimulation and intensive camp based therapy for children with perinatal stroke and hemiparesis based on a multicenter clinical trial. BMJ Open, 11(1): e041444, 2021.
Szatmari P, Cost KT, Duku E, Bennett T, Elsabbagh M, Georgiades S, Kerns C, Mirenda P, Smith IM, Ungar WJ, Vaillancourt T, Waddell C, Zaidman-Zait A, Zwaigenbaum L. Association of child and family attributes with outcomes in children with Autism. JAMA Network Open, 4(3): e212530, 2021.
Cost KT, Zaidman-Zait A, Mirenda P, Duku E, Zwaigenbaum L, Smith IM, Ungar WJ, Kerns C, Bennett T, Szatmari P, Georgiades S, Waddell C, Elssabagh M, Vaillancourt T. “Best things”: Parents describe their children with autism spectrum disorder over time. Journal of Autism and Developmental Disorders, 51: 4560-4574, 2021.
Li C, Vandersluis S, Holubowich C, Ungar WJ, Goh ES, Boycott KM, Sikich N, Dhalla I, Ng V. Cost-effectiveness of genome-wide sequencing for unexplained developmental disabilities and multiple congenital anomalies. Genetics in Medicine, 23(1); 451-460, 2021.
Smith IM, Waddell C, Ungar WJ, den Otter J, Murray P, Vezina F, D’Entremont B, Flanagan H, Garon N. Preschool Autism Services: A Tale of Two Canadian Provinces and the Implications for Policy. Paediatrics and Child Health, 26(3): 145-148, 2021.
Baribeau DA, Vigod S, Pullenayegum E, Kerns CM, Mirenda P, Smith IM, Vaillancourt T, Volden J, Waddell C, Zwaigenbaum L, Bennett T, Duku E, Elsabbagh M, Georgiades S, Ungar WJ, Anat Zaidman-Zait, Szatmari P. Co-occurring trajectories of anxiety and insistence on sameness behavior in autism spectrum disorder. British Journal of Psychiatry, 218(1): 20-27, 2021.
Zaidman-Zait A, Mirenda P, Szatmari P, Duku E, Smith IM, Zwaigenbaum L, Vaillancourt T, Kerns C, Volden J, Waddell C, Bennett T, Georgiades S, Ungar WJ, Elsabbagh M. Profiles and predictors of academic and social school functioning among children with autism spectrum disorder. Journal of Clinical Child and Adolescent Psychology, 50(5): 656-668, 2021.
Hughes A, Marshall J, Moretti M, Ungar WJ. A cost-utility analysis of biosimilar infliximab compared to reference infliximab in adult patients with Crohn’s Disease. Journal of the Canadian Association of Gastroenterology, 4(1): 48, 2021.
Lamsal R, Ungar WJ. Impact of growing up with a sibling with a neurodevelopmental disorder on the quality of life of an unaffected sibling: A scoping review. Disability and Rehabilitation, 43(4): 586-594, 2021.
Mendlowitz A, Widjaja E, Phan C, Sun Z, Moretti ME, Schuh S, Coyte PC, Hancock-Howard R, Freedman S, Ungar WJ. A cost analysis of pulse oximetry as a determinant in the decision to admit infants with mild to moderate bronchiolitis. Pediatric Emergency Care, 37(8): e443-e448, 2021.

Lee V, Duku E, Zwaigenbaum L, Bennett T, Szatmari P, Elsabbagh M, Kerns C, Mirenda P, Smith IM, Ungar WJ, Vaillancourt T, Volden J, Waddell C, Zaidman-Zait-A, Thompson A, Georgiades S. Temperament influences the relationship between symptom severity and adaptive functioning in children with autism spectrum disorder. Autism, 24(8): 2057-2070, 2020.
Zaidman Zait A, Zwaigenbaum L, Duku E, Bennett T, Szatmari P, Mirenda P, Smith IM, Vaillancourt T, Volden J, Waddell C, Kerns C, Elsabbagh M, Georgiades S, Ungar WJ, Bryson S, Fombonne E, Roberts W. Factor analysis of the children’s sleep habits questionnaire among preschool children with autism spectrum disorder. Research in Developmental Disabilities, 97(1): 103548, 2020.
Hayeems RZ, Luca S, Ungar WJ, Bhatt A, Chad L, Pullenayegum E, Meyn MS. Response to Rubanovich et al. The development of the Clinician-reported Genetic testing Utility Index (C-GUIDE): A novel strategy for measuring the clinical utility of genetic testing. Genetics in Medicine, 22: 95-101, 2020.
Denburg AE, Giacomini M, Ungar WJ, Abelson J. ‘The problem is small enough, the problem is big enough’: a qualitative study of health technology assessment and public policy on drug funding decisions for children. International Journal for Equity in Health, 19(1): 1-16, 2020.
Denburg AE, Ungar WJ, Chen S, Hurley J Abelson J. Does moral reasoning influence public values for health care priority setting? A population-based randomized stated preference survey. Health Policy, 124(6): 647-658, 2020.
Hunsche MC, Saqui S, Mirenda P, Zaidman-Zait A, Bennett T, Duku E, Elsabbagh M, Georgiades S, Smith IM, Szatmari P, Ungar WJ, Vaillancourt T, Waddell C, Zwaigenbaum L, Kerns CM. Parent-reported rates and clinical correlates of suicidality in children with autism spectrum disorder: A longitudinal study. Journal of Autism and Developmental Disorders, 50(1): 3496-3509, 2020.
Xie X, Wang M, Goh ES-Y, Ungar WJ, Little J, Carroll JC, Okun N, Huang T, Rousseau F, Dougan S, Tu HA, Higgins C, Holubowich C, Sikich N, Dhalla IA, Ng V. Noninvasive prenatal testing for trisomies 21, 18, and 13, sex chromosome aneuploidies, and microdeletions in average-risk pregnancies: A cost-effectiveness analysis. Journal of Obstetrics and Gynaecology Canada, 42(6): 740-749, 2020.
Hayeems RZ, Luca S, Ungar WJ, Bhatt A, Chad L, Pullenayegum E, Meyn MS. The development of the Clinician-reported Genetic testing Utility Index (C-GUIDE): A novel strategy for measuring the clinical utility of genetic testing. Response to Rubanovich et al. Genetics in Medicine, 22: 95-101, 2020.
Jegathisawaran J, Tsiplova K, Hayeems R, Ungar WJ. Determining precise costs for genomic sequencing technologies — A necessary prerequisite. Journal of Community Genetics, 11: 235-238, 2020.
Bashir NS, Walters TD, Griffiths AM, Ito S, Ungar WJ. Cost-effectiveness and clinical outcomes of early anti-tumor necrosis factor-α intervention in pediatric Crohn’s disease. Inflammatory Bowel Diseases, 26(8): 1239-1250, 2020.
Bal VH, Fok M, Lord C, Smith IM, Mirenda P, Szatmari P, Vaillancourt T, Volden J, Waddell C, Zwaigenbaum L, Bennett T, Duku E, Elsabbagh M, Georgiades S, Ungar WJ, Zaidman-Zait-A. Predictors of longer-term development of expressive language in two independent longitudinal cohorts of language-delayed preschoolers with ASD. Journal of Child Psychology and Psychiatry, 61(7): 826-835, 2020. (top 20 paper in 2019 for advances in autism research, US Interagency Autism Coordinating Committee).
Baribeau DA, Vigod S, Pullenayegum E, Kerns CM, Mirenda P, Smith IM, Vaillancourt T, Volden J, Waddell C, Zwaigenbaum L, Bennett T, Duku E, Elsabbagh M, Georgiades S, Ungar WJ, Anat Zaidman-Zait, Szatmari P. Repetitive behavior severity as an early indicator of risk for elevated anxiety symptoms in autism spectrum disorder. Journal of the American Academy of Child and Adolescent Psychiatry, 59(7): 890-899, 2020.
Oliveira C, de Silva NT, Ungar WJ, Bayoumi AM, Avitzur Y, Hoch JS, Maxwell J, Wales PW. Health-related quality of life in neonates and infants: A conceptual framework. Quality of Life Research, 29(5): 1159-1168, 2020.
Dempsey EE, Smith IM, Flanagan HE, Duku E, Lawrence MA, Szatmari P, Zwaigenbaum L, Vaillancourt T, Volden J, Mirenda P, Waddell C, Georgiades S, Elsabbagh M, Ungar WJ, Bennett T. Psychometric properties of the Merrill-Palmer-Revised Scales of Development in preschool children with autism spectrum disorder. Assessment, 27(8): 1796-1809, 2020.
Tsimicalis A, Stevens B, Ungar WJ, Castro A, Greenberg M, Barr B. Shifting priorities for the survival of my child: Managing expenses, increasing debt and tapping into available resources to maintain the financial stability of the family. Cancer Nursing, 43(2): 147-157, 2020.
Xie X, Gajic-Veljanoski O, Falk L, Schaink AK, Lambrinos A, Wang M, Ng V, Ungar WJ, Sikich S. Challenges in health technology assessments of genetic tests. Journal of Hospital Management and Health Policy, 4(1): 2020.

Di Rezze B, Duku E, Szatmari P, Volden J, Georgiades S, Zwaigenbaum L, Smith IM, Vaillancourt T, Bennett TA, Elsabbagh M, Thompson A, Ungar WJ, Waddell C, and Pathways in ASD Study Team. Examining trajectories of daily living skills over the preschool years for children with autism spectrum disorder. Journal of Autism and Developmental Disorders, 49(11): 4390-4399, 2019.
Hayeems RZ, Ungar WJ, Luca S, Pullenayegum E, Meyn MS. Genome diagnostics: Novel strategies for measuring value. Managed Care and Specialty Pharmacy, 25(10): 1096-1101, 2019.
Peverill S, Smith I, Duku E, Szatmari P, Mirenda P, Vaillancourt T, Volden J, Zwaigenbaum L, Bennett T, Elsabbagh M, Georgiades S, Ungar WJ. Developmental trajectories of feeding problems in children with autism spectrum disorder. Journal of Pediatric Psychology, 44(8): 988-998, 2019.
Tsiplova K, Ungar WJ, Flanagan HE, den Otter J, Waddell C, Murray P, D’Entremont B, Garon N, Léger N, Bryson SE, Smith IM. Types of services and costs of programs for preschoolers with autism spectrum disorder across sectors: A comparison of two Canadian provinces. Journal of Autism and Developmental Disorders, 49(6): 2492-2508, 2019.
Goh E S-Y, Miller FA, Marshall DA, Ungar WJ. Genetic counsellors’ preferences for coverage of preimplantation genetic diagnosis: A discrete choice experiment.Clinical Genetics, 95(6): 684-692, 2019.
Butcher N, Monsour A, Mew EJ, Szatmari P, Pierro A, Kelly LE, Farid-Kapadia M, Chee-a-tow A, Saeed L, Monga S, Ungar W, Terwee CB, Vohra S, Fergusson D, Askie LM, Williamson PR, Chan A-W, Moher D, Offringa M. Improving outcome reporting in clinical trial reports and protocols: Study protocol for the Instrument for reporting Planned Endpoints in Clinical Trials (InsPECT), Trials, 20(1): 161, 2019.
Kwon J, Kim SW, Ungar WJ, Tsiplova K, Madan J, Petrou S. Patterns, temporal trends and methodological associations in the measurement and valuation of childhood health utilities. Quality of Life Research, 28(7): 1705-1724, 2019.
Smith IM, Flanagan HE, Ungar WJ, D’Entremont B, Garon N, den Otter J, Waddell C, Bryson SE, Tsiplova K, Léger, N, Vezina F, Murray P. Comparing the one-year impact of preschool autism intervention programs in two Canadian provinces. Autism Research, 12: 667-681, 2019.
Conlon O, Volden J, Smith IM, Duku E, Zwaigenbaum L, Waddell C, Szatmari P, Mirenda P, Vaillancourt T, Bennett T. Georgiades S, Elsabbagh M, Ungar WJ. Gender differences in pragmatic communication in school-aged children with autism spectrum disorder (ASD). Journal of Autism and Developmental Disorders, 49(5): 1937-1948, 2019.
Lavelle TA, D’Cruz B, Mohit B, Ungar WJ, Prosser LA, Neumann PJ, Tsiplova K, Vera-Llonch M, Lin P-J. Family spillover effects in pediatric cost-utility analyses. Applied Health Economics and Health Policy, 17(2): 163-174, 2019.
Penner M, Anagnostou E, Ungar WJ. Environmental scan of Canadian and UK government policies for autism spectrum disorder diagnostic assessment. Paediatrics & Child Health, 24(3): e125-e134, 2019.

Yuen T, Penner M, Carter MT, Szatmari P, Ungar WJ. Assessing the Accuracy of the Modified Checklist for Autism in Toddlers: a systematic review and meta-analysis. Developmental Medicine and Child Neurology, 60(11): 1093-1100, 2018.
Yuen T, Carter MT, Szatmari P, Ungar WJ. Cost-effectiveness of universal or high-risk screening compared to surveillance monitoring in autism spectrum disorder. Journal of Autism and Developmental Disorders, 48(9): 2968-2979, 2018.
Yuen T, Penner M, Carter MT, Szatmari P, Ungar WJ. Cost-effectiveness of genome and exome sequencing in children diagnosed with autism spectrum disorder. Applied Health Economics & Health Policy, 16(4): 481-493, 2018.
Lin E, Durbin J, Guerriere D, Volpe T, Selick A, Kennedy J, Ungar WJ, Lero DS. Assessing care-giving demands, resources and costs of family/friend caregivers for persons with mental health disorders: A scoping review. Health & Social Care in the Community, 26(5): 613-634, 2018.
Penner M, Anagnostou E, Andoni, LY, Ungar WJ. Systematic review of clinical guidance documents for autism spectrum disorder diagnostic assessment in select regions. Autism, 22(5): 517-527, 2018.
Najafzadeh M, Ungar WJ, Hadioonzadeh A, Tsao N, Lynd LD. Comparing different experimental designs for best-worst scaling choice experiments: The case of asthma control. International Journal of Health Preference Research, 1:3-16, 2018.
Ungar WJ, Denburg A. An international perspective on ethical considerations in health economic evaluation: A primer for pediatric psychologists. Clinical Practice in Pediatric Psychology, 6(2): 190-200, 2018.
Zaidman‑Zait A, Mirenda P, Szatmari P, Duku E, Smith IM, Vaillancourt T, Volden J, Waddell C, Bennett T, Zwaigenbaum L, Elsabaggh M, Georgiades S, Ungar WJ. Profiles of social and coping resources in families of children with autism spectrum disorder: Relations to parent and child outcomes. Journal of Autism and Developmental Disorders, 48(6): 2064-2076, 2018.
Ungar WJ, Tsiplova K, Millar N, Smith IM. Development of the Resource Use Questionnaire (RUQ-P) for families with preschool children with neurodevelopmental disorders: Validation in children with autism spectrum disorder. Clinical Practice in Pediatric Psychology, 6(2): 164-178, 2018.
Moretti ME, Lato DF, Berger H, Koren G, Ito S, Ungar WJ. A cost-effectiveness analysis of maternal CYP2D6 genetic testing to guide treatment for postpartum pain and avert infant adverse events. The Pharmacogenomics Journal, 18(3): 391-397, 2018.
Kwon J, Kim SW, Ungar WJ, Tsiplova K, Madan J, Petrou S. A systematic review and meta-analysis of childhood health utilities. Medical Decision Making, 38(3): 277-305, 2018.
Penner M, Anagnostou E, Ungar WJ. Practice patterns and determinants of wait time for autism spectrum disorder diagnosis in Canada. Molecular Autism, 9:16, 2018.
Tsimicalis A, Genest L, Stevens B, Ungar WJ, Barr R. The impact of a childhood cancer diagnosis on the children and siblings’ school attendance, performance and activities: A qualitative descriptive study. Journal of Pediatric Oncology Nursing, 35(2): 118-131, 2018.
Dong Z, Connolly BL, Ungar WJ, Coyte P. Cost analysis of peripherally inserted central catheter in paediatric patients. International Journal of Technology Assessment in Health Care, 34(1): 38-45, 2018.

Hayeems RZ, Bhawra J, Tsiplova K, Meyn MS, Monfared N, Bowdin S, Stavropoulos DJ, Marshall CR, Basran R, Shuman C, Ito S, Cohn I, Hum C, Girdea M, Brudno M, Cohn RD, Scherer SW, Ungar WJ. Care and cost consequences of pediatric whole genome sequencing compared to chromosome microarray. Published, European Journal of Human Genetics, 25(12): 1303-1312, 2017.
Denburg AE, Ungar WJ, Greenberg M. Public drug policy for children in Canada, CMAJ, 189(30): E990-E994, 2017.
Oei K, Hayeems R, Ungar WJ, Cohn RD, Cohen E. Genetic testing among children in a complex care program. Children, 4(5): 42, 2017.
Hall NJ, Eaton S, Abbo O, Arnaud A, Beaudin M, Brindle M, Butter A, Davies D, Jancelewicz T, Johnson K, Keijzer R, Lapidus-Kroll E, Nasr A, Offringa M, Piche N, Rintala R, Skarsgard E, Svensson J, Ungar WJ, Wester T, Willan A, Zani A, St Peter SD, Pierro A. Appendectomy versus non-operative treatment for acute uncomplicated appendicitis in children: study protocol for a multicentre, open-label, non-inferiority, randomized controlled trial. BMJ Paediatrics Open, 1(1): e000028, 2017. (BMJ “Most Read article”)
Tsiplova K, Zur RM, Marshall CR, Stavropoulos DJ, Pereira SL, Merico D, Young EJ, Sung WWL, Scherer SW, Ungar WJ. A microcosting and cost-consequence analysis of genomic testing strategies in autism spectrum disorder. Genetics in Medicine, 19(11): 1268-1275, 2017.
Ting EEK, Sander B, Ungar WJ. Systematic review of the cost-effectiveness of influenza immunization programs. Vaccine, 35(15): 1828-1843, 2017.

Sullivan SM, Tsiplova K, Ungar WJ. A scoping review of pediatric economic evaluation 1980-2014: Do trends over time reflect changing priorities in evaluation methods and childhood disease? Expert Review of Pharmacoeconomics and Outcomes Research, 16(5): 599-607, 2016.
Oliveira C, de Silva NT, Stanojevic S, Avitzur Y, Bayoumi AM, Ungar WJ, Hoch JS, Wales PW. Change of outcome in pediatric intestinal failure – the use of time series analysis to assess the evolution of an intestinal rehabilitation program. Journal of the American College of Surgeons, 222(6): 1180-1188.e3, 2016.
Ungar WJ. A further examination of the problem of double-counting in incremental cost-utility analyses. Expert Review of Pharmacoeconomics and Outcomes Research, 16(3): 333-335, 2016.
Zur RM, Roy L, Ito S, Beyene J, Carew C, Ungar WJ. Thiopurine s-methyltransferase testing for averting drug toxicity: A meta-analysis of diagnostic test accuracy. The Pharmacogenomics Journal, 16(4): 305-311, 2016.
Zlotnik Shaul R, Ungar WJ. Maximizing the benefit and mitigating the risks of moral hazard. American Journal of Bioethics, 16(7):44-6, 2016.
Luca NJ, Burnett HF, Ungar WJ, Moretti ME, Beukelman T, Feldman BM, Schwartz G, Bayoumi AM. Cost-effectiveness analysis of first line treatment with biologic agents in polyarticular juvenile idiopathic arthritis. Arthritis Care and Research, 68(12): 1803-1811, 2016.
Roy L, Zur RM, Uleryk E, Carew C, Ito S, Ungar WJ. Thiopurine s-methyltransferase testing for averting drug toxicity in patients receiving thiopurines: A systematic review. Pharmacogenomics, 17(6): 633-56, 2016.
Azarpazhooh A, Dao T, Ungar WJ, Da Costa J, Figueiredo R, Krahn M, Friedman S. Patients’ values related to treatment options for teeth with apical periodontitis. Journal of Endodontics, 42(3): 365-70, 2016.
Payakachat N, Tilford JM, Ungar WJ. National Database for Autism Research (NDAR): Big Data opportunities for health services research and health technology assessment. Pharmacoeconomics, 34(2): 127-38, 2016.
Lin E, Durbin J, Lero DS, Selick A, Volpe T, Ungar WJ, Vu N. Measuring the Family/Friend Caregiver Experience in Ontario: Pilot Study Results Technical Report. Health System Performance Research Network (HSPRN), University of Toronto, November 15, 2016.

Bashir N, Ungar WJ. The 3-I Framework: A framework for developing public policies regarding pharmacogenomics (PGx) testing in Canada. Genome, 58(12): 527-540, 2015.
Ungar WJ, Hadioonzadeh A, Najafzadeh M, Tsao NW, Dell S, Lynd LD. Parents and adolescents preferences for asthma control: A best-worst scaling choice experiment using an orthogonal main effects design. BMC Pulmonary Medicine, Nov 17;15:146. 2015.
Ungar WJ. Next generation sequencing and health technology assessment in autism spectrum disorder. Canadian Journal of Child and Adolescent Psychiatry, 24(2): 123-127, 2015 (featured on journal cover).
Burnett HF, Lambley R, West SK, Ungar WJ, Mireskandari, K. Cost-effectiveness analysis of clinic-based chloral hydrate sedation versus general anaesthesia for paediatric ophthalmological procedures. British Journal of Ophthalmology, 99:1565-1570, 2015.
Lipstein EA, Brinkman WB, Fiks AG, Hendrix KS, Kryworuchko J, Miller VA, Prosser LA, Ungar WJ, Fox D. An emerging field of research: Challenges in pediatric decision making. Medical Decision Making, 35:403-408, 2015.

Schuh S, Freedman S, Coates A, Allen U, Parkin P, Stephens D, Ungar W, Da Silva Z, Willan A. Effect of oximetry on hospitalization in bronchiolitis – a randomized clinical trial. JAMA, 312(7):712-718, 2014.
Burnett HF, Tanoshima R, Chandranipapongse W, Madadi P, Ito S, Ungar WJ. Testing for thiopurine methyltransferase status for safe and effective administration of thiopurines: A systematic review of clinical guidance documents. The Pharmacogenomics Journal, 14(6):493-502, 2014.
Burnett HF, Ungar WJ, Regier DA, Feldman BM, Miller FA. Parent willingness-to-pay for biologic treatments in juvenile idiopathic arthritis. Value in Health, 17(8):830-837, 2014.
Ungar WJ, Hadioonzadeh A, Najafzadeh M, Tsao NW, Dell S, Lynd LD. Preferences for asthma control in parents and adolescents using a best-worst scaling experiment. Respiratory Medicine 108(6):842-851, 2014.
Regier DA, Watson V, Burnett H, Ungar WJ. Task complexity and response certainty in discrete choice experiments: An application to drug treatments for juvenile idiopathic arthritis. Journal of Behavioral and Experimental Economics, 50:40-49, 2014.
Azarpazhooh A, Dao T, Ungar WJ, Chaudry F, Figueiredo R, Krahn M, Friedman S. Clinical decision-making for a tooth with apical periodontitis: the patients’ preferred level of participation. Journal of Endodontics, Jun;40(6):784-789, 2014. Epub 2014 Mar 29.
Council of Canadian Academies. Improving Medicines for Children in Canada. Ottawa (ON): The Expert Panel on Therapeutic Products for Infants, Children, and Youth, Council of Canadian Academies. 2014

Ungar WJ, Prosser LA, Burnett H. Values and evidence colliding: Health technology assessment in child health. Expert Review of Pharmacoeconomics and Outcomes Research, 13(4):417-419, 2013 (lead article).
Caulfield T, Evans J, McGuire A, McCabe C, Bubela T, Cook-Deegan R, Fishman J, Hogarth S, Miller FA, Raviskty V, Biesecker B, Borry P, Cho M, Carroll JC, Etchegary H, Joly Y, Kato K, Soo-Jin Lee S, Rothenberg K, Sankar P, Szego MJ, Ossorio P, Pullman D, Rousseau F, Ungar WJ, Wilson B. Reflections on the cost of “low-cost” whole genome sequencing: Framing the health policy debate. PLoS Biology 11(11): e1001699, 2013.
Ungar WJ, Costa V, Burnett H, Feldman BM, Laxer RM. The use of biologic response modifiers in polyarticular-course juvenile idiopathic arthritis: A systematic review. Seminars in Arthritis and Rheumatism, 42(6):597-618, 2013
Tsimicalis A, Stevens B, Ungar WJ, McKeever P, Greenberg M, Agha M, Guerriere D, Naqvi A, Barr R. A mixed method approach to describe the out-of-pocket expenses incurred by families of children with cancer. Pediatric Blood and Cancer, 60(3):438-445, 2013.
Tsimicalis A, Stevens B, Ungar WJ, Greenberg M, McKeever P, Agha M, Guerriere D, Barr R, Naqvi A, Moineddin R. Determining the costs of families’ support networks following a child’s cancer diagnosis. Cancer Nursing: An International Journal for Cancer Care, 36(2):E8-E19, 2013.

Gauvreau C, Ungar WJ, Köhler JC, Zlotkin S. The use of cost-effectiveness analysis for pediatric immunization in developing countries. The Milbank Quarterly, 90(4):762-790, 2012.
Ungar WJ. Understanding the value of information from pediatric clinical research. Pediatric Drugs, August 14(5):295-297, 2012.
Woo G, Tomlinson G, Yim C, Lilly L, Therapondos G, Wong DKH, Ungar WJ, Einarson TR, Sherman M, Heathcote EJ, Krahn M. Health state utilities and quality of life in patients with hepatitis B. Canadian Journal of Gastroenterology, 26(7):445-451, 2012.
Hancock-Howard RL, Ungar WJ, Marshall D, Einarson A, Koren G. Public preferences for counseling regarding antidepressant use during pregnancy: A discrete choice experiment. Birth Defects Research Part A: Clinical and Molecular Teratology, Jul; 94(7):532-539, 2012.
Ungar WJ, Boydell K, Dell S, Feldman BM, Marshall D, Willan A, Wright J. A parent-child dyad approach to the assessment of health status and health-related quality of life in children with asthma. PharmacoEconomics, 30(8):697-712, 2012.
Burnett HF, Regier DA, Feldman BM, Miller FA, Ungar WJ. Parents’ preferences for drug treatments in juvenile idiopathic arthritis: A discrete choice experiment. Arthritis Care & Research, 64(9):1382-1391, 2012.
Kromm SK, Bethell J, Kraglund F, Edwards S, Laporte A, Coyte PC, Ungar WJ. Characteristics and quality of pediatric cost-utility analyses. Quality of Life Research, 21(8):1315-1325, 2012.
Tsimicalis A, Stevens B, Ungar WJ, McKeever P, Greenberg M, Agha M, Guerriere D, Barr R, Naqvi A, Moineddin R. A prospective study to determine the costs incurred by families of children newly diagnosed with cancer in Ontario. Psycho-Oncology, 21(10):1113-1123, 2012.
Ungar WJ. Medication cost-sharing and health outcomes in children with asthma. JAMA, March; 307(12):1316-1318, 2012.

Ungar WJ. Challenges in health state valuation in pediatric economic evaluation: Are QALYs contraindicated? PharmacoEconomics, 29(8):641-652, 2011
Stade B, Beyene J, Buller K, Ross S, Patterson K, Stevens B, Sgro M, Ungar WJ, Watson, W, Koren G. Feeling different: The experience of living with Fetal Alcohol Spectrum Disorder. Journal of Population Therapeutics and Clinical Pharmacology, 18(3):e475-e485, 2011.
Anvari M, Allen C, Marshall J, Armstrong D, Goeree R, Ungar W, Goldsmith C. A randomized controlled trial of laparoscopic Nissen fundoplication (LNF) versus proton pump inhibitors for treatment of patients with chronic gastro-esophageal reflux disease (GERD): three year outcomes. Surgical Endoscopy, Aug 25(8):2547-2554, 2011.
Donnan JR, Ungar WJ, Mathews M, Rahman P. Systematic review of thiopurine methyltransferase genotype and enzymatic testing strategies. Therapeutic Drug Monitoring, 33:192–199, 2011.
Donnan JR, Ungar WJ, Mathews M, Hancock-Howard RL, Rahman P. A cost effectiveness analysis of thiopurine methyltransferase testing for guiding 6-mercaptopurine dosing in children with acute lymphoblastic leukemia. Pediatric Blood & Cancer, 57:231-239, 2011.
Ungar WJ, Paterson JM, Gomes T, Bikangaga P, Gold M, To T, Kozyrskyj AL. Relationship of asthma management, socioeconomic status, and medication insurance characteristics to exacerbation frequency in children with asthma. Annals of Allergy, Asthma & Immunology, 106:17–23, 2011.
Goeree R, Hopkins R, Marshall JK, Armstrong D, Ungar WJ, Goldsmith C, Allen C, Anvari M. Cost-utility of Laparoscopic Nissen Fundoplication versus proton pump inhibitors for gastro-esophageal reflux disease: A 3-year prospective randomized controlled trial and economic evaluation. Value in Health, 14:263-273, 2011.
Ungar WJ, Costa V, Hancock-Howard RL, Feldman B, Laxer RM. Cost-effectiveness of biologics in polyarticular-course juvenile idiopathic arthritis patients unresponsive to disease modifying anti-rheumatic drugs. Arthritis Care & Research, January; 63(1):111–119, 2011.
Tsimicalis A, Stevens B, Ungar WJ, McKeever P, Greenberg M. The cost of childhood cancer from the family’s perspective: A critical review. Pediatric Blood & Cancer, 56(5):707-717, 2011

Woo G, Tomlinson G, Nishikawa Y, Kowgier M, Sherman M, Wong DKH, Pham B, Ungar WJ, Einarson T, Heathcote EJ, Krahn M. Tenofovir and Entecavir are the most effective antiviral agents for chronic hepatitis B: A systematic review and Bayesian meta-analyses. Gastroenterology, Oct;139(4):1218-29, 2010.
To T, Wang C, Dell SD, Fleming-Carroll B, Parkin P, Scolnik D, Ungar WJ, the PAMG Team. Can an evidence-based guideline reminder card improve acute asthma management in emergency department? Respiratory Medicine, 104(9):1263-70, 2010.
Khan U, Bogue C, Ungar WJ, Hilliard P, Blanchette V, Carcao, M, Doria AS. Cost-effectiveness analysis of different imaging strategies for diagnosis of hemophilic arthropathy. Haemophilia 16(2):322-32, 2010.
Hancock-Howard RL, McMahon M, Menon-Nair A, Woo G, Aziza A, Laporte A, Nauenberg E, Connolly BL, Wales PW, Ungar WJ. Cost-effectiveness analysis of implantable venous access device insertion using interventional radiologic versus conventional operating room methods in pediatric patients with cancer. Journal of Vascular and Interventional Radiology, 21(5):677-84, 2010.
Hancock RL, Ungar WJ, Einarson A, Koren G. International practices in the provision of teratology information: A survey of international teratogen information programs and comparisons with the North American model. Journal of Evaluation in Clinical Practice 16(5):957-963, 2010.
Ungar WJ, Cope SF, Kozyrskyj A, Paterson JM. Socioeconomic factors and home allergen exposure in children with asthma. Journal of Pediatric Health Care 24(2):108-115, 2010

Yong JHE, Schuh S, Rashidi R, Vanderby S, Lau R, Laporte A, Nauenberg E, Ungar WJ. A cost-effectiveness analysis of omitting radiography in diagnosis of acute bronchiolitis. Pediatric Pulmonology 44(2):122-127, 2009.
Cope SF, Ungar WJ, Glazier RH. International differences in asthma guidelines for children. International Archives of Allergy and Immunology 148(4):265-278, 2009.
Wan M, Doria A, Krahn M, Ungar WJ, Medina S, Sung L. Acute appendicitis in young children: cost-effectiveness of US versus CT in diagnosis–a Markov decision analytic model. Radiology, 250(2): 378-86, 2009.

Sharieff W, Zlotkin S, Ungar WJ, Feldman BM, Krahn M, Tomlinson G. Economics of preventing premature mortality and impaired cognitive development in children through home-fortification: A health policy perspective. International Journal of Technology Assessment and Health Care 24(3):303-311, 2008.
Cope SF, Ungar WJ, Glazier RH. Socioeconomic factors and asthma control in children. Pediatric Pulmonology 43(8):745-752, 2008.
Hancock RL, Ungar WJ, Einarson A, Goodstadt M, Koren G. Providing information regarding exposures in pregnancy: a survey of North American Teratology Information Services. Reproductive Toxicology 25(3): 381-387, 2008.
Ungar WJ, Paterson M, Cope S, Kozyrskyj A. Improving drug benefits for children with asthma: Building a research agenda. Healthcare Policy 3(4):66-76, 2008.
Ungar WJ, Kozyrskyj A, Paterson M, Ahmad F. Effect of cost-sharing on asthma medication use in children. Archives of Pediatrics & Adolescent Medicine, 162(2):104-110, February 2008 (lead article; accompanying Editorial).
To T, Wang C, Dell S, Fleming-Carroll B, Parkin P, Scolnik D, Ungar W, the PAMG Team. Risk factors for repeat adverse asthma events in children after visiting an emergency department. Ambulatory Pediatrics 8(5):281–287, 2008.
Guerriere DN, Tranmer JE, Ungar WJ, Manoharan V, Coyte PC. Valuing care recipient and family caregiver time: A comparison of methods. International Journal of Technology Assessment in Health Care, 24(1):52-59, January 2008.

Goh YI, Rovet J, Ungar W, Koren G. Mega-dose Vitamin C and E in Preventing FASD: The Decision to Terminate the Study Prematurely. Journal of Fetal Alcohol Syndrome International, 5:e3, May 2007.
Han RK, Ungar WJ, Macarthur C. Cost effectiveness analysis of a proposed public health legislative/educational strategy to reduce tap water scald injuries in children. Injury Prevention, 13(4): 248-253, August 2007.
Polisena J, Tam S, Lodha A, Laporte A, Coyte PC, Ungar WJ. An economic evaluation of asthma action plans for children with asthma. Journal of Asthma, 44 (7):501-508, September 2007.
Ungar WJ, Davidson-Grimwood SR, Cousins M. Parents were accurate proxy reporters of urgent pediatric asthma health services – a retrospective agreement analysis. Journal of Clinical Epidemiology, 60(11):1176-1183, November 2007.
Piwko C, Ungar WJ, Einarson TR, Wolping J, Koren G. The weekly cost of nausea and vomiting of pregnancy for women calling the Toronto Motherisk program. Current Medical Research & Opinion, 23(4):833-840, 2007.
Wu R, Laporte A, Ungar WJ. Cost effectiveness of an electronic medication ordering and administration system in reducing adverse drug events. Journal of Evaluation in Clinical Practice, 13(3):440-448, 2007.
Hancock RL, Koren G, Einarson, A, Ungar WJ. The effectiveness of Teratology Information Services (TIS). Reproductive Toxicology, 23(2):125-32, 2007.

Anvari M, Allen C, Marshall J, Armstrong D, Goeree R, Ungar W, Goldsmith C. A randomized controlled trial of Laparoscopic Nissen Fundoplication (LNF) versus proton pump inhibitors for treatment of patients with chronic Gastro-Esophageal Reflux Disease (GERD): One-year Follow-up. Surgical Innovation, 13(4):238-49, 2006.
Stade B, Stevens B, Ungar W, Beyene J, Koren G. Health-related quality of life of Canadian children prenatally exposed to alcohol. Health & Quality of Life Outcomes, 13(4):81, 2006.
Davidson-Grimwood SR, Snelgrove D, Ungar WJ. The development of an interview guide for use in dyad child-parent health related quality of life assessment. PRO Newsletter (peer-reviewed section), 37:12-14, 2006.
Ungar WJ. Paediatric health economic evaluations: A world view. Healthcare Quarterly –World Health & Population -8(4): 89-101, 2006 (lead article; accompanying Editorial).
Ungar WJ, Mirabelli C, Cousins M, Boydell KM. A qualitative analysis of a dyad approach to quality of life measurement in children with asthma. Social Science & Medicine, 63(9):2354-66, 2006.
Guerriere DN, Tullis E, Ungar WJ, Tranmer JE*, Corey M, Gaskin L, Carpenter S, Coyte PC. Economic burden of ambulatory and home-based care for adults with cystic fibrosis. Treatments in Respiratory Medicine, 5(5):351-9, 2006.
Kozyrskyj AL, Dahl ME, Ungar WJ, Becker AB, Law BJ. Antibiotic treatment of wheezing in children with asthma: What is the practice? Pediatrics, 117(6):e1104-10, 2006.
Cooper M, Ungar W, Zlotkin S. An assessment of inter-rater agreement of the literature filtering process in the development of evidence-based dietary guidelines. Public Health Nutrition, 9(4):494-500, 2006.
Guerriere DN, Ungar WJ, Corey M, Croxford R, Tranmer JE*, Tullis E, Coyte PC. Evaluation of the Ambulatory and Home Care Record: Agreement between self-reports and administrative data. International Journal of Technology Assessment in Health Care, 22(2):203-10, 2006.
Stade B, Ungar WJ, Stevens B, Beyene J, Koren G. The burden of prenatal exposure to alcohol: Measurement of cost. Journal of Fetal Alcohol Syndrome International, 4: e5, 2006.
Motiwala S, Gupta S, Lilly M, Ungar WJ, Coyte PC. The cost-effectiveness of expanding Intensive Behavioural Intervention (IBI) to all autistic children in Ontario. Healthcare Policy, 1(2):135-151, 2006.

Doria AS, Amernic H*, Dick P, Babyn P, Chait P, Langer J, Coyte PC, Ungar WJ. Cost-effectiveness analysis of weekday and weeknight or weekend shifts for assessment of appendicitis. Pediatric Radiology, 35(12):1186-95, 2005.
Ungar WJ, Macdonald T, Cousins M. Better breathing or better living? A qualitative analysis of the impact of asthma medication acquisition on standard living and quality of life in low income families of children with asthma. Journal of Pediatric Health Care, 19(6):354-62, 2005.
Ungar WJ, Witkos M. Public drug plan coverage for children across Canada: A portrait of too many colours. Healthcare Policy, 1(1):100-122, 2005.
Koren G, Piwko C, Ahn E, Boskovic R, Maltepe C, Navioz Y, Ungar WJ. Validation studies of the pregnancy unique-quantification of emesis (PUQE) scores. Journal of Obstetrics & Gynecology, 25(3):241-244, 2005.
Piwko C, Lasry A, Alanezi K, Coyte PC, Ungar WJ. Economic evaluation of ondansetron versus dimenhydrinate for prevention of post-operative vomiting in children undergoing strabismus surgery. Pediatric Anesthesia, 15(9):755-761, 2005.
Goh YI Rovet J, Ungar WJ, Koren G. The antioxidant effect: Can we mitigate fetal alcohol spectrum disorder with antioxidants? Journal of Fetal Alcohol Syndrome International, 3:e10; 2005.
Tranmer J, Guerriere D, Ungar WJ, Coyte PC. Valuing patient and caregiver time: A review of the literature. Pharmacoeconomics, 23(5):449-459, 2005.
Ungar WJ, Santos MT. Quality appraisal of pediatric health economic evaluations. International Journal of Technology Assessment and Health Care, 21(2):203-210, 2005.
Ungar WJ, Ariely R. Health insurance, access to prescription medicines and health outcomes in children. Expert Review of Pharmacoeconomics & Outcomes Research, 5(2):215-225, 2005.
Kopach R, Sadat S, Galloway I, Coyte PC, Ungar WJ. A cost-effectiveness analysis of medical documentation alternatives. International Journal of Technology Assessment in Health Care, 21(1):126-131, 2005.
Boutis K, Stephens D, Lam K, Ungar WJ, Schuh S. The impact of Severe Acute Respiratory Syndrome on a tertiary care pediatric emergency department. Canadian Medical Association Journal, 171(11): 1353-1358, 2004.
Carcao M, Ungar WJ, Feldman B. Cost-utility analysis in evaluating prophylaxis in haemophilia. Haemophilia, 10(Suppl 1):50-57, 2004.
Urbach DR, Ungar WJ, Rabeneck L. Whither surgery in the treatment of gastroesophageal reflux disease (GERD)? Canadian Medical Association Journal, 170(2):219-221, 2004.
Ungar WJ, Santos MT. Trends in paediatric health economic evaluation: 1980 to 1999. Archives of Disease in Childhood, 89:26-29, 2004.
Ungar WJ, Santos MT. The Pediatric Economic Database Evaluation (PEDE) project: Establishing a database to study trends in pediatric economic evaluation. Medical Care, 41(10):1142-1152, 2003.
Ungar WJ, Santos MT. The Pediatric Quality Appraisal Questionnaire (PQAQ): An instrument for evaluation of the pediatric health economics literature. Value in Health, 6(5):584-593, 2003.
Attard NJ, Wei X, Laporte A, Zarb GA, Ungar WJ. A cost minimization analysis of implant treatment in mandibular edentulous patients. International Journal of Prosthodontics, 16(3):271-276, 2003.
Ungar WJ, Daniels C, McNeill T, Seyed M. Children in need of Pharmacare: Medication funding requests at the Toronto Hospital for Sick Children. Canadian Journal of Public Health 94(2):121-126, 2003.
Ungar WJ, Chapman KR, Santos MT. Assessment of a medication-based asthma index for population research. American Journal of Respiratory and Critical Care Medicine, 165:190-194, 2002.
Ungar WJ, Coyte PC. The Pharmacy Medication Monitoring Program Advisory Board. Prospective study of the patient-level cost of asthma care in children. Pediatric Pulmonology, 32:101-108, 2001.

Ungar WJ, Josse R, Lee S, Ryan N, Adachi J, Hanley D, Breton M-C, Brown J. The Canadian SCORE questionnaire – optimizing the use of technology for low bone density assessment Journal of Clinical Densitometry, 3(3):269-280, 2000.
Ungar WJ, Coyte PC. The Pharmacy Medication Monitoring Program Advisory Board. Measuring productivity loss days in asthma patients. Health Economics, 9(1): 37-46, 2000.
Ungar WJ, Coyte PC, Chapman KR, Mackeigan L. The Pharmacy Medication Monitoring Program Advisory Board. The patient level cost of asthma in adults in south central Ontario. Canadian Respiratory Journal, 5(6):463-471, 1998.
Ungar WJ, Coyte PC. The Pharmacy Medication Monitoring Program Advisory Board. Health services utilization reporting in respiratory patients. Journal of Clinical Epidemiology, 51(12):1335-1342, 1998.
Ungar W. Bias – it’s everywhere! A commentary on the impact of bias and the assessment of agreement in the measurement of medication use in epidemiology research. Pharmacoepidemiology and Drug Safety, 7:425-427, 1998.
Ungar W. The choice of pharmacoeconomic study design during drug development, Part 1. Pharmacoepidemiology and Drug Safety, 6: 391-397, 1997.
Ungar W. The choice of pharmacoeconomic study design during drug development, Part 2. Pharmacoepidemiology and Drug Safety, 6(6): 399-407, 1997.
Ungar W. Good Clinical Practices: Principles and application of the European Community note for guidance. Drug Information Journal, 28:339-348, 1994.
Paterson, AHG, Hanson J, Pritchard KI, Sansregret E, Dahrouge S, McDermot RS, Fine S, White DF, Trudeau M, Stewart DJ, Ungar W. Comparison of antiestrogen and progestogen therapy for initial treatment and consequences of their combination for second-line treatment of recurrent breast cancer. Seminars in Oncology, 17(6) Suppl 9: 52-62, 1990.
Pecknold JC, Matas M, Howarth BG, Ross C, Swinson R, Vezeau C, Ungar W. Evaluation of buspirone as an antianxiety agent: buspirone and diazepam versus placebo. Canadian Journal of Psychiatry, 34(8):766-771, 1989.
Ungar W, Ecobichon DJ. Diazepam metabolism in the guinea pig materno-fetal model: effects of cigarette smoke. Drug Chemistry and Toxicology 9(3&4):205-211, 1986.
Kunos G, Newman F, Farsang C, Ungar W. Thyrotropin releasing hormone and naloxone attenuate the antihypertensive action of alpha-2 adreno-receptor stimulation through different mechanisms. Endocrinology, 115(6): 2481-2483, 1984.

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