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Astrid Guttmann

TitleStaff Paediatrician
InstitutionThe Hospital for Sick Children
DepartmentPaediatric Medicine Division
Address555 University Avenue
Toronto ON M5G 1X8
Phone416-813-1500
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    Collapse Bibliographic 
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Langan SM, Schmidt SA, Wing K, Ehrenstein V, Nicholls SG, Filion KB, Klungel O, Petersen I, Sorensen HT, Dixon WG, Guttmann A, Harron K, Hemkens LG, Moher D, Schneeweiss S, Smeeth L, Sturkenboom M, von Elm E, Wang SV, Benchimol EI. The reporting of studies conducted using observational routinely collected health data statement for pharmacoepidemiology (RECORD-PE). BMJ. 2018 Nov 14; 363:k3532. PMID: 30429167.
      View in: PubMed
    2. Radhakrishnan D, Guttmann A, To T, Reisman JJ, Knight BD, Mojaverian N, Manuel DG, Gommerman JL, Croitoru K, Benchimol EI. Generational Patterns of Asthma Incidence among Immigrants to Canada over Two Decades: A Population-based Cohort Study. Ann Am Thorac Soc. 2018 Nov 05. PMID: 30395726.
      View in: PubMed
    3. Saunders NR, Gill PJ, Holder L, Vigod S, Kurdyak P, Gandhi S, Guttmann A. Use of the emergency department as a first point of contact for mental health care by immigrant youth in Canada: a population-based study. CMAJ. 2018 Oct 09; 190(40):E1183-E1191. PMID: 30301742.
      View in: PubMed
    4. Saunders NR, Lebenbaum M, Lu H, Stukel TA, Urquia ML, Guttmann A. Trends in mental health service utilisation in immigrant youth in Ontario, Canada, 1996-2012: a population-based longitudinal cohort study. BMJ Open. 2018 Sep 17; 8(9):e022647. PMID: 30224392.
      View in: PubMed
    5. Shulman R, Shah BR, Fu L, Chafe R, Guttmann A. Diabetes transition care and adverse events: a population-based cohort study in Ontario, Canada. Diabet Med. 2018 11; 35(11):1515-1522. PMID: 30022524.
      View in: PubMed
    6. Wijlaars LPMM, Hardelid P, Guttmann A, Gilbert R. Emergency admissions and long-term conditions during transition from paediatric to adult care: a cross-sectional study using Hospital Episode Statistics data. BMJ Open. 2018 Jun 22; 8(6):e021015. PMID: 29934386.
      View in: PubMed
    7. Guttmann A. Focused policy is needed to reduce inequities in primary health care access for children. CMAJ. 2018 Apr 09; 190(14):E412-E413. PMID: 29632034.
      View in: PubMed
    8. Wilson SE, Chung H, Schwartz KL, Guttmann A, Deeks SL, Kwong JC, Crowcroft NS, Wing L, Tu K. Rotavirus vaccine coverage and factors associated with uptake using linked data: Ontario, Canada. PLoS One. 2018; 13(2):e0192809. PMID: 29444167.
      View in: PubMed
    9. Fridman L, Scolnik M, Macpherson A, Rothman L, Guttmann A, Grool AM, Rodriguez Duque D, Zemek RL. Annual Trends in Follow-Up Visits for Pediatric Concussion in Emergency Departments and Physicians' Offices. J Pediatr. 2018 Jan; 192:184-188. PMID: 29150146.
      View in: PubMed
    10. Hayeems RZ, Miller FA, Vermeulen M, Potter BK, Chakraborty P, Davies C, Carroll JC, Ratjen F, Guttmann A. False-Positive Newborn Screening for Cystic Fibrosis and Health Care Use. Pediatrics. 2017 Nov; 140(5). PMID: 29025964.
      View in: PubMed
    11. Saunders NR, Macpherson A, Guan J, Guttmann A. Unintentional injuries among refugee and immigrant children and youth in Ontario, Canada: a population-based cross-sectional study. Inj Prev. 2018 Oct; 24(5):337-343. PMID: 28951486.
      View in: PubMed
    12. Saunders NR, Lebenbaum M, Stukel TA, Lu H, Urquia ML, Kurdyak P, Guttmann A. Suicide and self-harm trends in recent immigrant youth in Ontario, 1996-2012: a population-based longitudinal cohort study. BMJ Open. 2017 Sep 01; 7(9):e014863. PMID: 28864687.
      View in: PubMed
    13. Benchimol EI, Kaplan GG, Otley AR, Nguyen GC, Underwood FE, Guttmann A, Jones JL, Potter BK, Catley CA, Nugent ZJ, Cui Y, Tanyingoh D, Mojaverian N, Bitton A, Carroll MW, deBruyn J, Dummer TJB, El-Matary W, Griffiths AM, Jacobson K, Kuenzig ME, Leddin D, Lix LM, Mack DR, Murthy SK, Sánchez JNP, Singh H, Targownik LE, Vutcovici M, Bernstein CN. Corrigendum: Rural and Urban Residence During Early Life Is Associated with a Lower Risk of Inflammatory Bowel Disease: A Population-Based Inception and Birth Cohort Study. Am J Gastroenterol. 2017 Sep; 112(9):1485. PMID: 28874854.
      View in: PubMed
    14. Marr KC, Agha M, Sutradhar R, Pole JD, Hodgson D, Guttmann A, Greenberg M, Nathan PC. Specialized survivor clinic attendance increases adherence to cardiomyopathy screening guidelines in adult survivors of childhood cancer. J Cancer Surviv. 2017 Oct; 11(5):614-623. PMID: 28785871.
      View in: PubMed
    15. Saunders NR, Macpherson A, Guan J, Sheng L, Guttmann A. The shrinking health advantage: unintentional injuries among children and youth from immigrant families. BMC Public Health. 2017 08 01; 18(1):73. PMID: 28764763.
      View in: PubMed
    16. Benchimol EI, Kaplan GG, Otley AR, Nguyen GC, Underwood FE, Guttmann A, Jones JL, Potter BK, Catley CA, Nugent ZJ, Cui Y, Tanyingoh D, Mojaverian N, Bitton A, Carroll MW, deBruyn J, Dummer TJB, El-Matary W, Griffiths AM, Jacobson K, Kuenzig ME, Leddin D, Lix LM, Mack DR, Murthy SK, Sánchez JNP, Singh H, Targownik LE, Vutcovici M, Bernstein CN. Rural and Urban Residence During Early Life is Associated with Risk of Inflammatory Bowel Disease: A Population-Based Inception and Birth Cohort Study Am J Gastroenterol. 2017 09; 112(9):1412-1422. PMID: 28741616.
      View in: PubMed
    17. Nakhla M, Rahme E, Simard M, Guttmann A. Outcomes associated with a pediatric clinical diabetes network in Ontario: a population-based time-trend analysis. CMAJ Open. 2017 Jul 24; 5(3):E586-E593. PMID: 28747349.
      View in: PubMed
    18. Georgio G, Guttmann A, Doan QH. Emergency Department Flow Measures for Adult and Pediatric Patients in British Columbia and Ontario: A Retrospective, Repeated Cross-Sectional Study. J Emerg Med. 2017 Sep; 53(3):418-426. PMID: 28676415.
      View in: PubMed
    19. Harron K, Gilbert R, Cromwell D, Oddie S, Guttmann A, van der Meulen J. International comparison of emergency hospital use for infants: data linkage cohort study in Canada and England. BMJ Qual Saf. 2018 Jan; 27(1):31-39. PMID: 28607037.
      View in: PubMed
    20. Saunders NR, Guttmann A. The authors respond to: "Questions on analysis of firearm injuries study". CMAJ. 2017 05 29; 189(21):E753. PMID: 28554953.
      View in: PubMed
    21. Gill PJ, Saunders N, Gandhi S, Gonzalez A, Kurdyak P, Vigod S, Guttmann A. Emergency Department as a First Contact for Mental Health Problems in Children and Youth. J Am Acad Child Adolesc Psychiatry. 2017 Jun; 56(6):475-482.e4. PMID: 28545752.
      View in: PubMed
    22. Saunders NR, Lee H, Macpherson A, Guan J, Guttmann A. Risk of firearm injuries among children and youth of immigrant families. CMAJ. 2017 Mar 27; 189(12):E452-E458. PMID: 28385861.
      View in: PubMed
    23. Hayeems RZ, Miller FA, Barg CJ, Bombard Y, Carroll JC, Tam K, Kerr E, Chakraborty P, Potter BK, Patton S, Bytautas JP, Taylor L, Davies C, Milburn J, Price A, Gonska T, Keenan K, Ratjen F, Guttmann A. Psychosocial Response to Uncertain Newborn Screening Results for Cystic Fibrosis. J Pediatr. 2017 May; 184:165-171.e1. PMID: 28279431.
      View in: PubMed
    24. Birken CS, Tu K, Oud W, Carsley S, Hanna M, Lebovic G, Guttmann A. Determining rates of overweight and obese status in children using electronic medical records: Cross-sectional study. Can Fam Physician. 2017 Feb; 63(2):e114-e122. PMID: 28209703.
      View in: PubMed
    25. Saunders NR, Macpherson A, Guan J, Sheng L, Guttmann A. Unintentional injuries in children and youth from immigrant families in Ontario, Canada: a population-based cross-sectional study. CMAJ Open. 2017 Jan-Mar; 5(1):E90-E96. PMID: 28401124.
      View in: PubMed
    26. Shulman R, Miller FA, Stukel TA, Daneman D, Guttmann A. Pediatric Insulin Pump Therapy: Reflecting on the First 10 Years of a Universal Funding Program in Ontario. Healthc Q. 2017; 19(4):6-9. PMID: 28130944.
      View in: PubMed
    27. Kaiser SV, Sundaram V, Cohen E, Shulman R, Guan J, Sanders L, Guttmann A. Health care for children with diabetes mellitus from low-income families in Ontario and California: a population-based cohort study. CMAJ Open. 2016 Oct-Dec; 4(4):E729-E736. PMID: 28018888.
      View in: PubMed
    28. Zemek RL, Grool AM, Rodriguez Duque D, DeMatteo C, Rothman L, Benchimol EI, Guttmann A, Macpherson AK. Annual and Seasonal Trends in Ambulatory Visits for Pediatric Concussion in Ontario between 2003 and 2013. J Pediatr. 2017 02; 181:222-228.e2. PMID: 27843008.
      View in: PubMed
    29. Chiu M, Lebenbaum M, Lam K, Chong N, Azimaee M, Iron K, Manuel D, Guttmann A. Describing the linkages of the immigration, refugees and citizenship Canada permanent resident data and vital statistics death registry to Ontario's administrative health database. BMC Med Inform Decis Mak. 2016 10 21; 16(1):135. PMID: 27769227.
      View in: PubMed
    30. Benchimol EI, Manuel DG, Mojaverian N, Mack DR, Nguyen GC, To T, Guttmann A. Health Services Utilization, Specialist Care, and Time to Diagnosis with Inflammatory Bowel Disease in Immigrants to Ontario, Canada: A Population-Based Cohort Study. Inflamm Bowel Dis. 2016 10; 22(10):2482-90. PMID: 27556836.
      View in: PubMed
    31. Benchimol EI, Smeeth L, Guttmann A, Harron K, Hemkens LG, Moher D, Petersen I, Sørensen HT, von Elm E, Langan SM. [The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) statement]. Z Evid Fortbild Qual Gesundhwes. 2016 Oct; 115-116:33-48. PMID: 27837958.
      View in: PubMed
    32. Bombard Y, Miller FA, Barg CJ, Patton SJ, Carroll JC, Chakraborty P, Potter BK, Tam K, Taylor L, Kerr E, Davies C, Milburn J, Ratjen F, Guttmann A, Hayeems RZ. A secondary benefit: the reproductive impact of carrier results from newborn screening for cystic fibrosis. Genet Med. 2017 04; 19(4):403-411. PMID: 27608173.
      View in: PubMed
    33. Darling EK, Ramsay T, Manuel D, Sprague AE, Walker MC, Guttmann A. Association of Universal Bilirubin Screening With Socioeconomic Disparities in Newborn Follow-up. Acad Pediatr. 2017 03; 17(2):135-143. PMID: 27497623.
      View in: PubMed
    34. Hayeems RZ, Miller FA, Barg CJ, Bombard Y, Kerr E, Tam K, Carroll JC, Potter BK, Chakraborty P, Davies C, Milburn J, Patton S, Bytautas JP, Taylor L, Price A, Gonska T, Keenan K, Ratjen F, Guttmann A. Parent Experience With False-Positive Newborn Screening Results for Cystic Fibrosis. Pediatrics. 2016 09; 138(3). PMID: 27485696.
      View in: PubMed
    35. Nelson KE, Rosella LC, Mahant S, Guttmann A. Survival and Surgical Interventions for Children With Trisomy 13 and 18. JAMA. 2016 Jul 26; 316(4):420-8. PMID: 27458947.
      View in: PubMed
    36. Kapadia MZ, Joachim KC, Balasingham C, Cohen E, Mahant S, Nelson K, Maguire JL, Guttmann A, Offringa M. A Core Outcome Set for Children With Feeding Tubes and Neurologic Impairment: A Systematic Review. Pediatrics. 2016 07; 138(1). PMID: 27365302.
      View in: PubMed
    37. Shulman R, Stukel TA, Miller FA, Newman A, Daneman D, Wasserman JD, Guttmann A. Low socioeconomic status is associated with adverse events in children and teens on insulin pumps under a universal access program: a population-based cohort study. BMJ Open Diabetes Res Care. 2016; 4(1):e000239. PMID: 27547416; PMCID: PMC4932320.
    38. Bhawra J, Toulany A, Cohen E, Moore Hepburn C, Guttmann A. Primary care interventions to improve transition of youth with chronic health conditions from paediatric to adult healthcare: a systematic review. BMJ Open. 2016 05 05; 6(5):e011871. PMID: 27150188; PMCID: PMC4861092.
    39. Shulman R, Miller FA, Stukel TA, Daneman D, Guttmann A. Resources and population served: a description of the Ontario Paediatric Diabetes Network. CMAJ Open. 2016 Apr-Jun; 4(2):E141-6. PMID: 27398356; PMCID: PMC4933641.
    40. Bahm A, Freedman SB, Guan J, Guttmann A. Evaluating the Impact of Clinical Decision Tools in Pediatric Acute Gastroenteritis: A Population-based Cohort Study. Acad Emerg Med. 2016 05; 23(5):599-609. PMID: 26824763.
      View in: PubMed
    41. Cohen E, Gandhi S, Toulany A, Moore C, Fu L, Orkin J, Levy D, Stephenson AL, Guttmann A. Health Care Use During Transfer to Adult Care Among Youth With Chronic Conditions. Pediatrics. 2016 Mar; 137(3):e20152734. PMID: 26933203.
      View in: PubMed
    42. Nathan PC, Agha M, Pole JD, Hodgson D, Guttmann A, Sutradhar R, Greenberg ML. Predictors of attendance at specialized survivor clinics in a population-based cohort of adult survivors of childhood cancer. J Cancer Surviv. 2016 08; 10(4):611-8. PMID: 26868681.
      View in: PubMed
    43. Karaceper MD, Chakraborty P, Coyle D, Wilson K, Kronick JB, Hawken S, Davies C, Brownell M, Dodds L, Feigenbaum A, Fell DB, Grosse SD, Guttmann A, Laberge AM, Mhanni A, Miller FA, Mitchell JJ, Nakhla M, Prasad C, Rockman-Greenberg C, Sparkes R, Wilson BJ, Potter BK. The health system impact of false positive newborn screening results for medium-chain acyl-CoA dehydrogenase deficiency: a cohort study. Orphanet J Rare Dis. 2016 Feb 03; 11:12. PMID: 26841949; PMCID: PMC4741015.
    44. Gandhi S, Chiu M, Lam K, Cairney JC, Guttmann A, Kurdyak P. Mental Health Service Use Among Children and Youth in Ontario: Population-Based Trends Over Time. Can J Psychiatry. 2016 02; 61(2):119-24. PMID: 27253703.
      View in: PubMed
    45. Khan S, Chiu M, Simpson AI, Guttmann A, Jembere N, Kurdyak P. Use of Mental Health Services by Youths and Young Adults Before and During Correctional Custody: A Population-Based Study. Psychiatr Serv. 2016 07 01; 67(7):790-3. PMID: 26828398.
      View in: PubMed
    46. Guttmann A. International Perspectives on Primary Care Access, Equity, and Outcomes for Children. Pediatrics. 2016 Feb; 137(2):e20154163. PMID: 26791969.
      View in: PubMed
    47. Shulman R, Stukel TA, Miller FA, Newman A, Daneman D, Guttmann A. Insulin pump use and discontinuation in children and teens: a population-based cohort study in Ontario, Canada. Pediatr Diabetes. 2017 02; 18(1):33-44. PMID: 26748950.
      View in: PubMed
    48. Yang J, Kurdyak P, Guttmann A. Developing Indicators for the Child and Youth Mental Health System in Ontario. Healthc Q. 2016; 19(3):6-9. PMID: 27808015.
      View in: PubMed
    49. Saunders NR, To T, Parkin PC, Guttmann A. Emergency Department Revisits by Urban Immigrant Children in Canada: A Population-Based Cohort Study. J Pediatr. 2016 Mar; 170:218-26. PMID: 26711849.
      View in: PubMed
    50. Shulman R, Miller FA, Daneman D, Guttmann A. Valuing technology: A qualitative interview study with physicians about insulin pump therapy for children with type 1 diabetes. Health Policy. 2016 Jan; 120(1):64-71. PMID: 26563632.
      View in: PubMed
    51. Benchimol EI, Smeeth L, Guttmann A, Harron K, Moher D, Petersen I, Sørensen HT, von Elm E, Langan SM. The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) statement. PLoS Med. 2015 Oct; 12(10):e1001885. PMID: 26440803.
      View in: PubMed
    52. Sutradhar R, Agha M, Pole JD, Greenberg M, Guttmann A, Hodgson D, Nathan PC. Specialized survivor clinic attendance is associated with decreased rates of emergency department visits in adult survivors of childhood cancer. Cancer. 2015 Dec 15; 121(24):4389-97. PMID: 26406998.
      View in: PubMed
    53. Davies H, Gilbert R, Johnson K, Petersen I, Nazareth I, O'Donnell M, Guttmann A, Gonzalez-Izquierdo A. Neonatal drug withdrawal syndrome: cross-country comparison using hospital administrative data in England, the USA, Western Australia and Ontario, Canada. Arch Dis Child Fetal Neonatal Ed. 2016 Jan; 101(1):F26-30. PMID: 26290479.
      View in: PubMed
    54. Vermeulen MJ, Guttmann A, Stukel TA, Kachra A, Sivilotti ML, Rowe BH, Dreyer J, Bell R, Schull M. Are reductions in emergency department length of stay associated with improvements in quality of care? A difference-in-differences analysis. BMJ Qual Saf. 2016 07; 25(7):489-98. PMID: 26271919; PMCID: PMC4941160.
    55. Vermeulen MJ, Stukel TA, Boozary AS, Guttmann A, Schull MJ. The Effect of Pay for Performance in the Emergency Department on Patient Waiting Times and Quality of Care in Ontario, Canada: A Difference-in-Differences Analysis. Ann Emerg Med. 2016 Apr; 67(4):496-505.e7. PMID: 26215670.
      View in: PubMed
    56. Nelson KE, Lacombe-Duncan A, Cohen E, Nicholas DB, Rosella LC, Guttmann A, Mahant S. Family Experiences With Feeding Tubes in Neurologic Impairment: A Systematic Review. Pediatrics. 2015 Jul; 136(1):e140-51. PMID: 26122806.
      View in: PubMed
    57. Stang AS, Crotts J, Johnson DW, Hartling L, Guttmann A. Crowding measures associated with the quality of emergency department care: a systematic review. Acad Emerg Med. 2015 Jun; 22(6):643-56. PMID: 25996053.
      View in: PubMed
    58. Rotteau L, Webster F, Salkeld E, Hellings C, Guttmann A, Vermeulen MJ, Bell RS, Zwarenstein M, Rowe BH, Nigam A, Schull MJ. Ontario's emergency department process improvement program: the experience of implementation. Acad Emerg Med. 2015 Jun; 22(6):720-9. PMID: 25996451.
      View in: PubMed
    59. Nicholls SG, Quach P, von Elm E, Guttmann A, Moher D, Petersen I, Sørensen HT, Smeeth L, Langan SM, Benchimol EI. The REporting of Studies Conducted Using Observational Routinely-Collected Health Data (RECORD) Statement: Methods for Arriving at Consensus and Developing Reporting Guidelines. PLoS One. 2015; 10(5):e0125620. PMID: 25965407.
      View in: PubMed
    60. Fairbrother G, Guttmann A, Klein JD, Simpson LA, Thomas P, Kempe A. Higher cost, but poorer outcomes: the US health disadvantage and implications for pediatrics. Pediatrics. 2015 Jun; 135(6):961-4. PMID: 25941300.
      View in: PubMed
    61. Schull M, Vermeulen M, Guttmann A, Stukel T. Better performance on length-of-stay benchmarks associated with reduced risk following emergency department discharge: an observational cohort study. CJEM. 2015 May; 17(3):253-62. PMID: 26034911.
      View in: PubMed
    62. Daneman N, Guttmann A, Wang X, Ma X, Gibson D, Stukel TA. The association of hospital prevention processes and patient risk factors with the risk of Clostridium difficile infection: a population-based cohort study. BMJ Qual Saf. 2015 Jul; 24(7):435-43. PMID: 25911052; PMCID: PMC4484271.
    63. Benchimol EI, Manuel DG, To T, Mack DR, Nguyen GC, Gommerman JL, Croitoru K, Mojaverian N, Wang X, Quach P, Guttmann A. Asthma, type 1 and type 2 diabetes mellitus, and inflammatory bowel disease amongst South Asian immigrants to Canada and their children: a population-based cohort study. PLoS One. 2015; 10(4):e0123599. PMID: 25849480; PMCID: PMC4388348.
    64. Hayeems RZ, Campitelli M, Ma X, Huang T, Walker M, Guttmann A. Rates of prenatal screening across health care regions in Ontario, Canada: a retrospective cohort study. CMAJ Open. 2015 Apr-Jun; 3(2):E236-43. PMID: 26389102; PMCID: PMC4565176.
    65. Benchimol EI, Mack DR, Guttmann A, Nguyen GC, To T, Mojaverian N, Quach P, Manuel DG. Inflammatory bowel disease in immigrants to Canada and their children: a population-based cohort study. Am J Gastroenterol. 2015 Apr; 110(4):553-63. PMID: 25756238.
      View in: PubMed
    66. Hepburn CM, Cohen E, Bhawra J, Weiser N, Hayeems RZ, Guttmann A. Health system strategies supporting transition to adult care. Arch Dis Child. 2015 Jun; 100(6):559-64. PMID: 25688098; PMCID: PMC4453494.
    67. Turner SD, Gomes T, Camacho X, Yao Z, Guttmann A, Mamdani MM, Juurlink DN, Dhalla IA. Neonatal opioid withdrawal and antenatal opioid prescribing. CMAJ Open. 2015 Jan-Mar; 3(1):E55-61. PMID: 25844370; PMCID: PMC4382031.
    68. Gupta S, Gibson P, Pole JD, Sutradhar R, Sung L, Guttmann A. Predictors of diagnostic interval and associations with outcome in acute lymphoblastic leukemia. Pediatr Blood Cancer. 2015 Jun; 62(6):957-63. PMID: 25586065.
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    69. Macpherson A, Fridman L, Scolnik M, Corallo A, Guttmann A. A population-based study of paediatric emergency department and office visits for concussions from 2003 to 2010. Paediatr Child Health. 2014 Dec; 19(10):543-6. PMID: 25587234; PMCID: PMC4276389.
    70. Vaillancourt S, Guttmann A, Li Q, Chan IY, Vermeulen MJ, Schull MJ. Repeated emergency department visits among children admitted with meningitis or septicemia: a population-based study. Ann Emerg Med. 2015 Jun; 65(6):625-632.e3. PMID: 25458981.
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    71. Garvey NJ, Stukel TA, Guan J, Lu Y, Bwititi PT, Guttmann A. The association of asthma education centre characteristics on hospitalizations and emergency department visits in Ontario: a population-based study. BMC Health Serv Res. 2014 Nov 13; 14:561. PMID: 25391295; PMCID: PMC4233233.
    72. Benchimol EI, Manuel DG, Guttmann A, Nguyen GC, Mojaverian N, Quach P, Mack DR. Changing age demographics of inflammatory bowel disease in Ontario, Canada: a population-based cohort study of epidemiology trends. Inflamm Bowel Dis. 2014 Oct; 20(10):1761-9. PMID: 25159453.
      View in: PubMed
    73. Darling EK, Ramsay T, Sprague AE, Walker MC, Guttmann A. Universal bilirubin screening and health care utilization. Pediatrics. 2014 Oct; 134(4):e1017-24. PMID: 25246625.
      View in: PubMed
    74. Gupta S, Sutradhar R, Guttmann A, Sung L, Pole JD. Socioeconomic status and event free survival in pediatric acute lymphoblastic leukemia: a population-based cohort study. Leuk Res. 2014 Dec; 38(12):1407-12. PMID: 25224660.
      View in: PubMed
    75. Ray JG, Redelmeier DA, Urquia ML, Guttmann A, McDonald SD, Vermeulen MJ. Risk of cerebral palsy among the offspring of immigrants. PLoS One. 2014; 9(7):e102275. PMID: 25019202; PMCID: PMC4096602.
    76. Vermeulen MJ, Stukel TA, Guttmann A, Rowe BH, Zwarenstein M, Golden B, Nigam A, Anderson G, Bell RS, Schull MJ. Evaluation of an emergency department lean process improvement program to reduce length of stay. Ann Emerg Med. 2014 Nov; 64(5):427-38. PMID: 24999281.
      View in: PubMed
    77. Radhakrishnan DK, Dell SD, Guttmann A, Shariff SZ, Liu K, To T. Trends in the age of diagnosis of childhood asthma. J Allergy Clin Immunol. 2014 Nov; 134(5):1057-62.e5. PMID: 24985402.
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    78. Benchimol EI, Guttmann A, Mack DR, Nguyen GC, Marshall JK, Gregor JC, Wong J, Forster AJ, Manuel DG. Validation of international algorithms to identify adults with inflammatory bowel disease in health administrative data from Ontario, Canada. J Clin Epidemiol. 2014 Aug; 67(8):887-96. PMID: 24774473.
      View in: PubMed
    79. Darling EK, Guttmann A, Sprague AE, Ramsay T, Walker MC. Implementation of the Canadian Paediatric Society's hyperbilirubinemia guidelines: A survey of Ontario hospitals. Paediatr Child Health. 2014 Mar; 19(3):133-7. PMID: 24665223; PMCID: PMC3959972.
    80. Gupta S, Wilejto M, Pole JD, Guttmann A, Sung L. Low socioeconomic status is associated with worse survival in children with cancer: a systematic review. PLoS One. 2014; 9(2):e89482. PMID: 24586813; PMCID: PMC3935876.
    81. Vigod SN, Dennis CL, Kurdyak PA, Cairney J, Guttmann A, Taylor VH. Fertility rate trends among adolescent girls with major mental illness: a population-based study. Pediatrics. 2014 Mar; 133(3):e585-91. PMID: 24515515.
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    82. Stang AS, Straus SE, Crotts J, Johnson DW, Guttmann A. Quality indicators for high acuity pediatric conditions. Pediatrics. 2013 Oct; 132(4):752-62. PMID: 24062374.
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    83. Cohen E, Yantzi N, Guan J, Lam K, Guttmann A. Residential movement patterns of families of young children with chronic conditions in Ontario, Canada: a population-based cohort study. Int J Equity Health. 2013 Aug 20; 12:62. PMID: 23962036; PMCID: PMC3765232.
    84. Gupta S, Pole JD, Guttmann A, Sung L. Validation of a registry-derived risk algorithm based on treatment protocol as a proxy for disease risk in childhood acute lymphoblastic leukemia. BMC Med Res Methodol. 2013 May 30; 13:68. PMID: 23721155; PMCID: PMC3679990.
    85. Shen S, Campitelli MA, Calzavara A, Guttmann A, Kwong JC. Seasonal influenza vaccine effectiveness in pre- and full-term children aged 6-23 months over multiple seasons. Vaccine. 2013 Jun 24; 31(29):2974-8. PMID: 23688524.
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    86. Kinlin LM, Bahm A, Guttmann A, Freedman SB. A survey of emergency department resources and strategies employed in the treatment of pediatric gastroenteritis. Acad Emerg Med. 2013 Apr; 20(4):361-6. PMID: 23701343.
      View in: PubMed
    87. Agha MM, Glazier RH, Moineddin R, Moore AM, Guttmann A. Food fortification and decline in the prevalence of neural tube defects: does public intervention reduce the socioeconomic gap in prevalence? Int J Environ Res Public Health. 2013 Mar 28; 10(4):1312-23. PMID: 23538728; PMCID: PMC3709319.
    88. Bethell J, Bondy SJ, Lou WY, Guttmann A, Rhodes AE. Emergency department presentations for self-harm among Ontario youth. Can J Public Health. 2013 Feb 11; 104(2):e124-30. PMID: 23618204.
      View in: PubMed
    89. Langan SM, Benchimol EI, Guttmann A, Moher D, Petersen I, Smeeth L, Sørensen HT, Stanley F, Von Elm E. Setting the RECORD straight: developing a guideline for the REporting of studies Conducted using Observational Routinely collected Data. Clin Epidemiol. 2013; 5:29-31. PMID: 23413321.
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    90. Guttmann A, Weinstein M, Austin PC, Bhamani A, Anderson G. Variability in the emergency department use of discretionary radiographs in children with common respiratory conditions: the mixed effect of access to pediatrician care. CJEM. 2013 Jan; 15(1):8-17. PMID: 23283118.
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    91. Cohen E, Berry JG, Camacho X, Anderson G, Wodchis W, Guttmann A. Patterns and costs of health care use of children with medical complexity. Pediatrics. 2012 Dec; 130(6):e1463-70. PMID: 23184117; PMCID: PMC4528341.
    92. Benchimol EI, Langan S, Guttmann A. Call to RECORD: the need for complete reporting of research using routinely collected health data. J Clin Epidemiol. 2013 Jul; 66(7):703-5. PMID: 23186992.
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    93. Li P, To T, Parkin PC, Anderson GM, Guttmann A. Association between evidence-based standardized protocols in emergency departments with childhood asthma outcomes: a Canadian population-based study. Arch Pediatr Adolesc Med. 2012 Sep; 166(9):834-40. PMID: 22776991.
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    94. Daneman N, Stukel TA, Ma X, Vermeulen M, Guttmann A. Reduction in Clostridium difficile infection rates after mandatory hospital public reporting: findings from a longitudinal cohort study in Canada. PLoS Med. 2012; 9(7):e1001268. PMID: 22815656; PMCID: PMC3398960.
    95. Schull MJ, Vermeulen MJ, Stukel TA, Guttmann A, Leaver CA, Rowe BH, Sales A. Evaluating the effect of clinical decision units on patient flow in seven Canadian emergency departments. Acad Emerg Med. 2012 Jul; 19(7):828-36. PMID: 22805630.
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    96. Campitelli MA, Inoue M, Calzavara AJ, Kwong JC, Guttmann A. Low rates of influenza immunization in young children under Ontario's universal influenza immunization program. Pediatrics. 2012 Jun; 129(6):e1421-30. PMID: 22585770.
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    97. Juurlink DN, Gomes T, Guttmann A, Hellings C, Sivilotti ML, Harvey MA, Mamdani MM. Postpartum maternal codeine therapy and the risk of adverse neonatal outcomes: a retrospective cohort study. Clin Toxicol (Phila). 2012 Jun; 50(5):390-5. PMID: 22537257.
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    98. Li P, To T, Guttmann A. Follow-up care after an emergency department visit for asthma and subsequent healthcare utilization in a universal-access healthcare system. J Pediatr. 2012 Aug; 161(2):208-13.e1. PMID: 22484353.
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    99. Stukel TA, Fisher ES, Alter DA, Guttmann A, Ko DT, Fung K, Wodchis WP, Baxter NN, Earle CC, Lee DS. Association of hospital spending intensity with mortality and readmission rates in Ontario hospitals. JAMA. 2012 Mar 14; 307(10):1037-45. PMID: 22416099; PMCID: PMC3339410.
    100. Ballantyne M, Stevens B, Guttmann A, Willan AR, Rosenbaum P. Transition to neonatal follow-up programs: is attendance a problem? J Perinat Neonatal Nurs. 2012 Jan-Mar; 26(1):90-8. PMID: 22293647.
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    101. Salkeld E, Leaver CA, Guttmann A, Vermeulen MJ, Rowe BH, Sales A, Schull MJ. Barriers and facilitators to the implementation of Ontario's emergency department clinical decision unit pilot program: a qualitative study. CJEM. 2011 Nov; 13(6):363-71. PMID: 22436473.
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    102. Agha MM, Glazier RH, Moineddin R, Moore AM, Guttmann A. Socioeconomic status and prevalence of congenital heart defects: does universal access to health care system eliminate the gap? Birth Defects Res A Clin Mol Teratol. 2011 Dec; 91(12):1011-8. PMID: 22002854.
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    103. Daneman N, Ma X, Eng-Chong M, Callery S, Guttmann A. Validation of administrative population-based data sets for the detection of cesarean delivery surgical site infection. Infect Control Hosp Epidemiol. 2011 Dec; 32(12):1213-5. PMID: 22080661.
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    104. Schull MJ, Guttmann A, Leaver CA, Vermeulen M, Hatcher CM, Rowe BH, Zwarenstein M, Anderson GM. Prioritizing performance measurement for emergency department care: consensus on evidence-based quality of care indicators. CJEM. 2011 Sep; 13(5):300-9, E28-43. PMID: 21955411.
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    105. Mah CL, Deber RB, Guttmann A, McGeer A, Krahn M. Another look at the human papillomavirus vaccine experience in Canada. Am J Public Health. 2011 Oct; 101(10):1850-7. PMID: 21852642; PMCID: PMC3222351.
    106. Quiñonez C, Ieraci L, Guttmann A. Potentially preventable hospital use for dental conditions: implications for expanding dental coverage for low income populations. J Health Care Poor Underserved. 2011 Aug; 22(3):1048-58. PMID: 21841295.
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    107. Guttmann A, Schull MJ, Vermeulen MJ, Stukel TA. Association between waiting times and short term mortality and hospital admission after departure from emergency department: population based cohort study from Ontario, Canada. BMJ. 2011 Jun 01; 342:d2983. PMID: 21632665; PMCID: PMC3106148.
    108. Benchimol EI, To T, Griffiths AM, Rabeneck L, Guttmann A. Outcomes of pediatric inflammatory bowel disease: socioeconomic status disparity in a universal-access healthcare system. J Pediatr. 2011 Jun; 158(6):960-967.e1-4. PMID: 21227449.
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    109. Guttmann A, Shulman R, Manuel D. Improving accountability for children's health: Immunization registries and public reporting of coverage in Canada. Paediatr Child Health. 2011 Jan; 16(1):16-8. PMID: 22211067; PMCID: PMC3043024.
    110. Benchimol EI, Manuel DG, To T, Griffiths AM, Rabeneck L, Guttmann A. Development and use of reporting guidelines for assessing the quality of validation studies of health administrative data. J Clin Epidemiol. 2011 Aug; 64(8):821-9. PMID: 21194889.
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    111. Benchimol EI, Guttmann A, To T, Rabeneck L, Griffiths AM. Changes to surgical and hospitalization rates of pediatric inflammatory bowel disease in Ontario, Canada (1994-2007). Inflamm Bowel Dis. 2011 Oct; 17(10):2153-61. PMID: 21910177.
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    112. To T, Guttmann A, Lougheed MD, Gershon AS, Dell SD, Stanbrook MB, Wang C, McLimont S, Vasilevska-Ristovska J, Crighton EJ, Fisman DN. Evidence-based performance indicators of primary care for asthma: a modified RAND Appropriateness Method. Int J Qual Health Care. 2010 Dec; 22(6):476-85. PMID: 20978002.
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    113. Ray JG, Schull MJ, Urquia ML, You JJ, Guttmann A, Vermeulen MJ. Major radiodiagnostic imaging in pregnancy and the risk of childhood malignancy: a population-based cohort study in Ontario. PLoS Med. 2010 Sep 07; 7(9):e1000337. PMID: 20838660; PMCID: PMC2935460.
    114. Foty RG, Guttmann A, Kwong JC, Maaten S, Manuel D, Stieb DM, Dell SD. Predictors of universal influenza vaccination uptake in grades 1 and 2 Toronto school children: effective vaccination strategies should not end with at risk children. Vaccine. 2010 Sep 07; 28(39):6518-22. PMID: 20655400.
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    115. Guttmann A, Shipman SA, Lam K, Goodman DC, Stukel TA. Primary care physician supply and children's health care use, access, and outcomes: findings from Canada. Pediatrics. 2010 Jun; 125(6):1119-26. PMID: 20498170.
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    116. Mah CL, Guttmann A, McGeer A, Krahn M, Deber RB. Compulsory school-entry vaccination laws and exemptions: who is opting out in ontario and why does it matter? Healthc Policy. 2010 May; 5(4):37-46. PMID: 21532768; PMCID: PMC2875891.
    117. Bethell J, Rhodes AE, Bondy SJ, Lou WY, Guttmann A. Repeat self-harm: application of hurdle models. Br J Psychiatry. 2010 Mar; 196(3):243-4. PMID: 20194549.
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    118. Kwong JC, Ge H, Rosella LC, Guan J, Maaten S, Moran K, Johansen H, Guttmann A. School-based influenza vaccine delivery, vaccination rates, and healthcare use in the context of a universal influenza immunization program: an ecological study. Vaccine. 2010 Mar 24; 28(15):2722-9. PMID: 20109594.
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    119. Li P, Guttmann A. Recent innovations to improve asthma outcomes in vulnerable children. Curr Opin Pediatr. 2009 Dec; 21(6):783-8. PMID: 19745737.
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    120. Nakhla M, Daneman D, To T, Paradis G, Guttmann A. Transition to adult care for youths with diabetes mellitus: findings from a Universal Health Care System. Pediatrics. 2009 Dec; 124(6):e1134-41. PMID: 19933731.
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    121. Benchimol EI, Guttmann A, Griffiths AM, Rabeneck L, Mack DR, Brill H, Howard J, Guan J, To T. Increasing incidence of paediatric inflammatory bowel disease in Ontario, Canada: evidence from health administrative data. Gut. 2009 Nov; 58(11):1490-7. PMID: 19651626.
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    122. Wang C, Guttmann A, To T, Dick PT. Neighborhood income and health outcomes in infants: how do those with complex chronic conditions fare? Arch Pediatr Adolesc Med. 2009 Jul; 163(7):608-15. PMID: 19581543.
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    123. Koshy SM, Hebert D, Lam K, Stukel TA, Guttmann A. Renal allograft loss during transition to adult healthcare services among pediatric renal transplant patients. Transplantation. 2009 Jun 15; 87(11):1733-6. PMID: 19502968.
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    124. Leaver CA, Guttmann A, Zwarenstein M, Rowe BH, Anderson G, Stukel T, Golden B, Bell R, Morra D, Abrams H, Schull MJ. Development of a minimization instrument for allocation of a hospital-level performance improvement intervention to reduce waiting times in Ontario emergency departments. Implement Sci. 2009 Jun 08; 4:32. PMID: 19505308; PMCID: PMC2706789.
    125. Guttmann A, Nakhla M, Henderson M, To T, Daneman D, Cauch-Dudek K, Wang X, Lam K, Hux J. Validation of a health administrative data algorithm for assessing the epidemiology of diabetes in Canadian children. Pediatr Diabetes. 2010 Mar; 11(2):122-8. PMID: 19500278.
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    126. Guttmann A, Cohen E, Moore C. Outcomes-based health human resource planning for maternal, child and youth health care in Canada: A new horizon for the 21st century. Paediatr Child Health. 2009 May; 14(5):310-4. PMID: 20436823; PMCID: PMC2706633.
    127. Moran K, Maaten S, Guttmann A, Northrup D, Kwong JC. Influenza vaccination rates in Ontario children: implications for universal childhood vaccination policy. Vaccine. 2009 Apr 14; 27(17):2350-5. PMID: 19428850.
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    128. Schull MJ, Stukel TA, Zwarenstein M, Guttmann A, Alter DA, Manuel DG. ICES report: five policy recommendations from Toronto's SARS outbreak to improve the safety and efficacy of restrictions on hospital admissions to manage infectious disease outbreaks. Healthc Q. 2009; 12(1):30-2. PMID: 19142061.
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    129. Koshy SM, Guttmann A, Hebert D, Parkes RK, Logan AG. Incidence and risk factors for cardiovascular events and death in pediatric renal transplant patients: a single center long-term outcome study. Pediatr Transplant. 2009 Dec; 13(8):1027-33. PMID: 19077134.
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    130. Stukel TA, Schull MJ, Guttmann A, Alter DA, Li P, Vermeulen MJ, Manuel DG, Zwarenstein M. Health impact of hospital restrictions on seriously ill hospitalized patients: lessons from the Toronto SARS outbreak. Med Care. 2008 Sep; 46(9):991-7. PMID: 18725855.
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    131. Nakhla M, Daneman D, Frank M, Guttmann A. Translating transition: a critical review of the diabetes literature. J Pediatr Endocrinol Metab. 2008 Jun; 21(6):507-16. PMID: 18717235.
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    132. Guttmann A, Manuel D, Stukel TA, Desmeules M, Cernat G, Glazier RH. Immunization coverage among young children of urban immigrant mothers: findings from a universal health care system. Ambul Pediatr. 2008 May-Jun; 8(3):205-9. PMID: 18501869.
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    133. Guttmann A, Zagorski B, Austin PC, Schull M, Razzaq A, To T, Anderson G. Effectiveness of emergency department asthma management strategies on return visits in children: a population-based study. Pediatrics. 2007 Dec; 120(6):e1402-10. PMID: 18055658.
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    134. Ford-Jones EL, Ford-Jones A, Ickowicz A, Guttmann A, Ritvo P. 'Get rich or die trying' - what drives poor children and what we can do about it. Paediatr Child Health. 2007 Sep; 12(7):547-9. PMID: 19030422; PMCID: PMC2528783.
    135. Schull MJ, Stukel TA, Vermeulen MJ, Zwarenstein M, Alter DA, Manuel DG, Guttmann A, Laupacis A, Schwartz B. Effect of widespread restrictions on the use of hospital services during an outbreak of severe acute respiratory syndrome. CMAJ. 2007 Jun 19; 176(13):1827-32. PMID: 17576979; PMCID: PMC1891122.
    136. Agha MM, Glazier RH, Guttmann A. Relationship between social inequalities and ambulatory care-sensitive hospitalizations persists for up to 9 years among children born in a major Canadian urban center. Ambul Pediatr. 2007 May-Jun; 7(3):258-62. PMID: 17512888.
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    137. Guttmann A, Razzaq A, Lindsay P, Zagorski B, Anderson GM. Development of measures of the quality of emergency department care for children using a structured panel process. Pediatrics. 2006 Jul; 118(1):114-23. PMID: 16818556.
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    138. Schull MJ, Stukel TA, Vermeulen MJ, Guttmann A, Zwarenstein M. Surge capacity associated with restrictions on nonurgent hospital utilization and expected admissions during an influenza pandemic: lessons from the Toronto severe acute respiratory syndrome outbreak. Acad Emerg Med. 2006 Nov; 13(11):1228-31. PMID: 16807399.
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    139. Guttmann A, Manuel D, Dick PT, To T, Lam K, Stukel TA. Volume matters: physician practice characteristics and immunization coverage among young children insured through a universal health plan. Pediatrics. 2006 Mar; 117(3):595-602. PMID: 16510636.
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    140. To T, Guttmann A, Dick PT, Rosenfield JD, Parkin PC, Tassoudji M, Vydykhan TN, Cao H, Harris JK. Risk markers for poor developmental attainment in young children: results from a longitudinal national survey. Arch Pediatr Adolesc Med. 2004 Jul; 158(7):643-9. PMID: 15237063.
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    141. To T, Guttmann A, Dick PT, Rosenfield JD, Parkin PC, Cao H, Vydykhan TN, Tassoudji M, Harris JK. What factors are associated with poor developmental attainment in young Canadian children? Can J Public Health. 2004 Jul-Aug; 95(4):258-63. PMID: 15362466.
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    142. Guttmann A. Child poverty, health and health care use in Canada. Paediatr Child Health. 2001 Oct; 6(8):509-13. PMID: 20084119; PMCID: PMC2805585.
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