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Catharine Walsh

TitleEducational Researcher
InstitutionThe Hospital for Sick Children
DepartmentSickKids Learning Institute
Phone416-813-1500
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    Collapse Overview 
    Collapse overview
    Dr. Catharine Walsh, MD, MEd, PhD, FRCPC is a staff gastroenterologist in the Division of Gastroenterology, Hepatology and Nutrition, an Educational Researcher in the Learning Institute and a Scientist in the Research Institute at the Hospital for Sick Children (SickKids) in Toronto, Canada. She is also a cross-appointed Scientist at the Wilson Centre for research in education. Dr. Walsh received her medical degree from University of Toronto. She subsequently pursued residency training in Paediatrics and a fellowship in Paediatric Gastroenterology at SickKids. Dr. Walsh also completed her Masters of Education and a PhD in health professions education at University of Toronto, in conjunction with a research fellowship at the Wilson Centre. Her program of research focuses on examining factors that influence the acquisition of complex clinical skills and on identifying best practices in the training and assessment of clinical skills, including methods of optimizing learning within simulation-based environments.

    Clinical Interests: Paediatric gastroenterology, Celiac Disease, Endoscopy

    Research Interests: Health Professions Education, Simulation-based Education, E-learning, Assessment

    Research Activities: Dr. Catharine Walsh’s program of research focuses on examining factors that influence the acquisition of complex clinical skills, behaviours and attitudes, including methods of optimizing learning within simulation-based environments. Dr. Walsh also conducts educational measurement research focused on the assessment of competence and performance of health professionals.


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    Collapse selected publications
    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. Walsh CM, Umar SB, Ghassemi S, Aihara H, Anand GS, Cassani L, Chahal P, Dacha S, Duloy A, Huang C, Kowalski TE, Kushnir V, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Vela SAF, Williams RL, Wagh MS. Colonoscopy core curriculum. Gastrointest Endosc. 2020 Aug 24. PMID: 32854938.
      View in: PubMed
    2. Klupt KA, Oreskovich SM, Bernard-Genest J, Patel BP, Chu L, Dettmer E, Walsh CM, Strom M, McPherson AC, Strub J, Steinberg A, Steinegger C, Hamilton JK. Careful conversations: an educational video to support parents in communicating about weight with their children. BMC Pediatr. 2020 Aug 24; 20(1):397. PMID: 32838762.
      View in: PubMed
    3. Aihara H, Kushnir V, Anand GS, Cassani L, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for endoscopic ablative techniques. Gastrointest Endosc. 2020 Aug 24. PMID: 32854937.
      View in: PubMed
    4. Aihara H, Kushnir V, Anand GS, Cassani L, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for endoscopic mucosal resection. Gastrointest Endosc. 2020 Aug 22. PMID: 32843191.
      View in: PubMed
    5. Kealey A, Alam F, McCreath G, Matava CT, Bahrey LA, Walsh CM. Real-world impact of COVID-19 pandemic on the assessment of anaesthesiology residents. Br J Anaesth. 2020 Aug 20. PMID: 32896430.
      View in: PubMed
    6. Elmunzer BJ, Walsh CM, Guiton G, Serrano J, Chak A, Edmundowicz S, Kwon RS, Mullady D, Papachristou GI, Elta G, Baron TH, Yachimski P, Fogel E, Draganov PV, Taylor J, Scheiman J, Singh V, Varadarajulu S, Willingham FF, Cote G, Cotton PB, Simon V, Spitzer R, Keswani R, Wani S. Development and initial validation of an instrument for video-based assessment of technical skill in ERCP. Gastrointest Endosc. 2020 Jul 30. PMID: 32739484.
      View in: PubMed
    7. Cassani L, Aihara H, Anand GS, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Kushnir V, Qayed E, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for EUS. Gastrointest Endosc. 2020 Sep; 92(3):469-473. PMID: 32713612.
      View in: PubMed
    8. Selim O, Dueck A, Walsh CM, Brydges R, Okrainec A. Development of the Diabetic Wound Assessment Learning Tool (DiWALT) and validity evidence. J Vasc Surg. 2020 Jul 22. PMID: 32707382.
      View in: PubMed
    9. Qayed E, Anand GS, Aihara H, Cassani L, Chahal P, Dacha S, Duloy A, Ghassemi S, Huang C, Kowalski TE, Kushnir V, Sheth SG, Simons-Linares CR, Taylor JR, Umar SB, Vela SAF, Walsh CM, Williams RL, Wagh MS. Core curriculum for endoluminal stent placement. Gastrointest Endosc. 2020 Sep; 92(3):463-468. PMID: 32711868.
      View in: PubMed
    10. Pawlak KM, Kral J, Khan R, Amin S, Bilal M, Lui RN, Sandhu DS, Hashim A, Bollipo S, Charabaty A, de-Madaria E, Rodríguez-Parra AF, Sánchez-Luna SA, Zorniak M, Walsh CM, Grover SC, Siau K. Impact of COVID-19 on endoscopy trainees: an international survey. Gastrointest Endosc. 2020 Oct; 92(4):925-935. PMID: 32535193.
      View in: PubMed
    11. Walsh CM, Fishman DS, Lerner DG. Pediatric Endoscopy in the Era of Coronavirus Disease 2019: A North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition Position Paper. J Pediatr Gastroenterol Nutr. 2020 06; 70(6):741-750. PMID: 32443022.
      View in: PubMed
    12. Naismith LM, Kowalski C, Soklaridis S, Kelly A, Walsh CM. Participant Perspectives on the Contributions of Physical, Psychological, and Sociological Fidelity to Learning in Interprofessional Mental Health Simulation. Simul Healthc. 2020 Jun; 15(3):141-146. PMID: 32218087.
      View in: PubMed
    13. Bernard-Genest J, Chu L, Dettmer E, Walsh CM, McPherson AC, Strub J, Steinberg A, Steinegger C, Hamilton JK. Talking About Weight With Families-Helping Health Care Professionals Start the Conversation: A Nonrandomized Controlled Trial. Clin Pediatr (Phila). 2020 Sep; 59(9-10):910-917. PMID: 32475155.
      View in: PubMed
    14. Ruan W, Fishman DS, Lerner DG, Engevik MA, Elmunzer BJ, Walsh CM. Changes in Pediatric Endoscopic Practice during the COVID-19 Pandemic: Results from an International Survey. Gastroenterology. 2020 May 30. PMID: 32485178.
      View in: PubMed
    15. Bishay K, Causada-Calo N, Scaffidi MA, Walsh CM, Anderson JT, Rostom A, Dube C, Keswani RN, Heitman SJ, Hilsden RJ, Shorr R, Grover SC, Forbes N. Associations between endoscopist feedback and improvements in colonoscopy quality indicators: a systematic review and meta-analysis. Gastrointest Endosc. 2020 Apr 21. PMID: 32330506.
      View in: PubMed
    16. Khan R, Scaffidi MA, Satchwell J, Gimpaya N, Lee W, Genis S, Tham D, Saperia J, Al-Mazroui A, Walsh CM, Grover SC. Impact of a simulation-based ergonomics training curriculum on work-related musculoskeletal injury risk in colonoscopy. Gastrointest Endosc. 2020 Mar 20. PMID: 32205194.
      View in: PubMed
    17. Jeyalingam T, Walsh CM. Characterizing the Development of Colonoscopy Competence Using Assessment Data. Am J Gastroenterol. 2020 02; 115(2):214-215. PMID: 31895706.
      View in: PubMed
    18. Walsh CM, Scaffidi MA, Khan R, Arora A, Gimpaya N, Lin P, Satchwell J, Al-Mazroui A, Zarghom O, Sharma S, Kamani A, Genis S, Kalaichandran R, Grover SC. Non-technical skills curriculum incorporating simulation-based training improves performance in colonoscopy among novice endoscopists: Randomized controlled trial. Dig Endosc. 2020 Jan 07. PMID: 31912560.
      View in: PubMed
    19. Gabrani A, Monteiro IM, Walsh CM. Exploring Use of Endoscopy Simulation in North American Pediatric Gastroenterology Fellowship Training Programs. J Pediatr Gastroenterol Nutr. 2020 01; 70(1):25-30. PMID: 31651805.
      View in: PubMed
    20. Kester-Greene N, Hall AK, Walsh CM. [Simulation curricular content in postgraduate emergency medicine: A multicentre Delphi study]. CJEM. 2019 09; 21(5):667-675. PMID: 31084629.
      View in: PubMed
    21. Gould MJ, Brill H, Marcon MA, Walsh CM. Response to: In Screening for Celiac Disease, Deamidated Gliadin Rarely Predicts Disease When Tissue Transglutaminase Is Normal. J Pediatr Gastroenterol Nutr. 2019;68(1):20-25. J Pediatr Gastroenterol Nutr. 2019 07; 69(1):e23-e24. PMID: 31058774.
      View in: PubMed
    22. Jeyalingam T, Walsh CM. Video-based assessments: a promising step in improving polypectomy competency. Gastrointest Endosc. 2019 06; 89(6):1231-1233. PMID: 31104751.
      View in: PubMed
    23. Walsh CM, Cohen J, Woods KL, Wang KK, Andersen DK, Anderson MA, Dunkin BJ, Edmundowicz SA, Faigel DO, Law JK, Marks JM, Sedlack RE, Thompson CC, Vargo JJ. ASGE EndoVators Summit: simulators and the future of endoscopic training. Gastrointest Endosc. 2019 07; 90(1):13-26. PMID: 31122744.
      View in: PubMed
    24. Patel S, Walsh CM, Udell JA. Exploring medically-related Canadian summer student research programs: a National Cross-sectional Survey Study. BMC Med Educ. 2019 May 14; 19(1):140. PMID: 31088445.
      View in: PubMed
    25. Khan R, Plahouras J, Johnston BC, Scaffidi MA, Grover SC, Walsh CM. Virtual reality simulation training in endoscopy: a Cochrane review and meta-analysis. Endoscopy. 2019 07; 51(7):653-664. PMID: 31071757.
      View in: PubMed
    26. Scaffidi MA, Walsh CM, Khan R, Parker CH, Al-Mazroui A, Abunassar M, Grindal AW, Lin P, Wang C, Bechara R, Grover SC. Influence of video-based feedback on self-assessment accuracy of endoscopic skills: a randomized controlled trial. Endosc Int Open. 2019 May; 7(5):E678-E684. PMID: 31061880.
      View in: PubMed
    27. Sauer CG, Walsh CM. Pediatric Colonoscopy Quality Indicators: Teamwork and Transparency. J Pediatr Gastroenterol Nutr. 2019 05; 68(5):607-608. PMID: 30889129.
      View in: PubMed
    28. Chang TP, Raymond T, Dewan M, MacKinnon R, Whitfill T, Harwayne-Gidansky I, Doughty C, Frisell K, Kessler D, Wolfe H, Auerbach M, Rutledge C, Mitchell D, Jani P, Walsh CM. The effect of an International competitive leaderboard on self-motivated simulation-based CPR practice among healthcare professionals: A randomized control trial. Resuscitation. 2019 05; 138:273-281. PMID: 30946919.
      View in: PubMed
    29. Khan R, Scaffidi MA, Grover SC, Gimpaya N, Walsh CM. Simulation in endoscopy: Practical educational strategies to improve learning. World J Gastrointest Endosc. 2019 Mar 16; 11(3):209-218. PMID: 30918586.
      View in: PubMed
    30. Scaffidi MA, Khan R, Carnahan H, Ling SC, Lightdale JR, Mamula P, Yu JJ, Grover SC, Walsh CM. Can Pediatric Endoscopists Accurately Assess Their Clinical Competency? A Comparison Across Skill Levels. J Pediatr Gastroenterol Nutr. 2019 03; 68(3):311-317. PMID: 30418413.
      View in: PubMed
    31. Scaffidi MA, Khan R, Walsh CM, Pearl M, Winger K, Kalaichandran R, Lin P, Grover SC. Protocol for a randomised trial evaluating the effect of applying gamification to simulation-based endoscopy training. BMJ Open. 2019 02 24; 9(2):e024134. PMID: 30804029.
      View in: PubMed
    32. Connan V, Marcon MA, Mahmud FH, Assor E, Martincevic I, Bandsma RH, Vresk L, Walsh CM. Online education for gluten-free diet teaching: Development and usability testing of an e-learning module for children with concurrent celiac disease and type 1 diabetes. Pediatr Diabetes. 2019 05; 20(3):293-303. PMID: 30652421.
      View in: PubMed
    33. Ling SC, Walsh CM. Achieving High-quality Outcomes for Endoscopic Retrograde Cholangiopancreatography: Can Pediatricians Match the Adults, and Should They Try? J Pediatr Gastroenterol Nutr. 2019 01; 68(1):1-2. PMID: 30589725.
      View in: PubMed
    34. Gould MJ, Brill H, Marcon MA, Munn NJ, Walsh CM. In Screening for Celiac Disease, Deamidated Gliadin Rarely Predicts Disease When Tissue Transglutaminase Is Normal. J Pediatr Gastroenterol Nutr. 2019 01; 68(1):20-25. PMID: 30052564.
      View in: PubMed
    35. Devine LA, Ginsburg S, Stenfors T, Cil TD, McDonald-Blumer H, Walsh CM, Stroud L. Professional Responsibilities and Personal Impacts: Residents' Experiences as Participants in Education Research. Acad Med. 2019 01; 94(1):115-121. PMID: 30113360.
      View in: PubMed
    36. Khan R, Plahouras J, Johnston BC, Scaffidi MA, Grover SC, Walsh CM. Virtual reality simulation training for health professions trainees in gastrointestinal endoscopy. Cochrane Database Syst Rev. 2018 08 17; 8:CD008237. PMID: 30117156.
      View in: PubMed
    37. Shimamura Y, Walsh CM, Cohen S, Aronson M, Tabori U, Kortan PP, Durno CA. Role of video capsule endoscopy in patients with constitutional mismatch repair deficiency (CMMRD) syndrome: report from the International CMMRD Consortium. Endosc Int Open. 2018 Aug; 6(8):E1037-E1043. PMID: 30105291.
      View in: PubMed
    38. Ginsburg S, Lynch M, Walsh CM. A Fine Balance: How Authors Strategize Around Journal Submission. Acad Med. 2018 08; 93(8):1176-1181. PMID: 29697431.
      View in: PubMed
    39. Rutledge C, Walsh CM, Swinger N, Auerbach M, Castro D, Dewan M, Khattab M, Rake A, Harwayne-Gidansky I, Raymond TT, Maa T, Chang TP. Gamification in Action: Theoretical and Practical Considerations for Medical Educators. Acad Med. 2018 07; 93(7):1014-1020. PMID: 29465450.
      View in: PubMed
    40. Wani S, Keswani RN, Petersen B, Edmundowicz SA, Walsh CM, Huang C, Cohen J, Cote G. Training in EUS and ERCP: standardizing methods to assess competence. Gastrointest Endosc. 2018 06; 87(6):1371-1382. PMID: 29709305.
      View in: PubMed
    41. Chang TP, Doughty CB, Mitchell D, Rutledge C, Auerbach MA, Frisell K, Jani P, Kessler DO, Wolfe H, MacKinnon RJ, Dewan M, Pirie J, Lemke D, Khattab M, Tofil N, Nagamuthu C, Walsh CM. Leveraging Quick Response Code Technology to Facilitate Simulation-Based Leaderboard Competition. Simul Healthc. 2018 Feb; 13(1):64-71. PMID: 29373385.
      View in: PubMed
    42. Scaffidi MA, Grover SC, Carnahan H, Khan R, Amadio JM, Yu JJ, Dargavel C, Khanna N, Ling SC, Yong E, Nguyen GC, Walsh CM. Impact of experience on self-assessment accuracy of clinical colonoscopy competence. Gastrointest Endosc. 2018 Mar; 87(3):827-836.e2. PMID: 29122599.
      View in: PubMed
    43. Walsh CM, Reise KS, Correia R. Simulation use in paediatric student respiratory therapy training. Can J Respir Ther. 2017; 53(4):62-63. PMID: 30996635.
      View in: PubMed
    44. Scaffidi MA, Grover SC, Carnahan H, Yu JJ, Yong E, Nguyen GC, Ling SC, Khanna N, Walsh CM. A prospective comparison of live and video-based assessments of colonoscopy performance. Gastrointest Endosc. 2018 Mar; 87(3):766-775. PMID: 28859953.
      View in: PubMed
    45. Khan R, Scaffidi MA, Walsh CM, Lin P, Al-Mazroui A, Chana B, Kalaichandran R, Lee W, Grantcharov TP, Grover SC. Simulation-Based Training of Non-Technical Skills in Colonoscopy: Protocol for a Randomized Controlled Trial. JMIR Res Protoc. 2017 Aug 04; 6(8):e153. PMID: 28778849.
      View in: PubMed
    46. Kramer RE, Walsh CM, Lerner DG, Fishman DS. Quality Improvement in Pediatric Endoscopy: A Clinical Report From the NASPGHAN Endoscopy Committee. J Pediatr Gastroenterol Nutr. 2017 07; 65(1):125-131. PMID: 28644360.
      View in: PubMed
    47. Walsh CM, Anderson JT, Fishman DS. Evidence-based Approach to Training Pediatric Gastrointestinal Endoscopy Trainers. J Pediatr Gastroenterol Nutr. 2017 04; 64(4):501-504. PMID: 27846065.
      View in: PubMed
    48. Grover SC, Scaffidi MA, Khan R, Garg A, Al-Mazroui A, Alomani T, Yu JJ, Plener IS, Al-Awamy M, Yong EL, Cino M, Ravindran NC, Zasowski M, Grantcharov TP, Walsh CM. Progressive learning in endoscopy simulation training improves clinical performance: a blinded randomized trial. Gastrointest Endosc. 2017 Nov; 86(5):881-889. PMID: 28366440.
      View in: PubMed
    49. Friedlander JA, Liu QY, Sahn B, Kooros K, Walsh CM, Kramer RE, Lightdale JR, Khlevner J, McOmber M, Kurowski J, Giefer MJ, Pall H, Troendle DM, Utterson EC, Brill H, Zacur GM, Lirio RA, Lerner DG, Reynolds C, Gibbons TE, Wilsey M, Liacouras CA, Fishman DS. NASPGHAN Capsule Endoscopy Clinical Report. J Pediatr Gastroenterol Nutr. 2017 03; 64(3):485-494. PMID: 27642781.
      View in: PubMed
    50. Walsh CM, Garg A, Ng SL, Goyal F, Grover SC. Residents' perceptions of simulation as a clinical learning approach. Can Med Educ J. 2017 Feb; 8(1):e76-e87. PMID: 28344719.
      View in: PubMed
    51. Ruco A, Walsh CM, Cooper MA, Rabeneck L. Training non-physicians to do endoscopy: Feasibility, effectiveness and cost-effectiveness. Best Pract Res Clin Gastroenterol. 2016 Jun; 30(3):389-96. PMID: 27345647.
      View in: PubMed
    52. Walsh CM. In-training gastrointestinal endoscopy competency assessment tools: Types of tools, validation and impact. Best Pract Res Clin Gastroenterol. 2016 Jun; 30(3):357-74. PMID: 27345645.
      View in: PubMed
    53. Walsh CM. Training and Assessment in Pediatric Endoscopy. Gastrointest Endosc Clin N Am. 2016 Jan; 26(1):13-33. PMID: 26616894.
      View in: PubMed
    54. Grover SC, Garg A, Scaffidi MA, Yu JJ, Plener IS, Yong E, Cino M, Grantcharov TP, Walsh CM. Impact of a simulation training curriculum on technical and nontechnical skills in colonoscopy: a randomized trial. Gastrointest Endosc. 2015 Dec; 82(6):1072-9. PMID: 26007221.
      View in: PubMed
    55. Ricciuto A, Walsh CM, Church PC. An Unexpected Cause of Upper Gastrointestinal Bleeding in a Child. Clin Gastroenterol Hepatol. 2015 Aug; 13(8):A29-30. PMID: 25916186.
      View in: PubMed
    56. Walsh CM, Ling SC, Mamula P, Lightdale JR, Walters TD, Yu JJ, Carnahan H. The gastrointestinal endoscopy competency assessment tool for pediatric colonoscopy. J Pediatr Gastroenterol Nutr. 2015 Apr; 60(4):474-80. PMID: 25564819.
      View in: PubMed
    57. Walsh CM, Ling SC, Khanna N, Grover SC, Yu JJ, Cooper MA, Yong E, Nguyen GC, May G, Walters TD, Reznick R, Rabeneck L, Carnahan H. Gastrointestinal Endoscopy Competency Assessment Tool: reliability and validity evidence. Gastrointest Endosc. 2015; 81(6):1417-1424.e2. PMID: 25753836.
      View in: PubMed
    58. Walsh CM, Ling SC, Walters TD, Mamula P, Lightdale JR, Carnahan H. Development of the gastrointestinal endoscopy competency assessment tool for pediatric colonoscopy (GiECAT KIDS). J Pediatr Gastroenterol Nutr. 2014 Oct; 59(4):480-6. PMID: 24590220.
      View in: PubMed
    59. Cooper MA, Tinmouth JM, Yong E, Walsh CM, Carnahan H, Grover SC, Ritvo P. Surgical residents' perceptions on learning gastrointestinal endoscopy: more hours and more standardization wanted. J Surg Educ. 2014 Nov-Dec; 71(6):899-905. PMID: 25168711.
      View in: PubMed
    60. Walsh CM. Assessment of competence in pediatric gastrointestinal endoscopy. Curr Gastroenterol Rep. 2014 Aug; 16(8):401. PMID: 25064320.
      View in: PubMed
    61. Walsh CM, Ling SC, Khanna N, Cooper MA, Grover SC, May G, Walters TD, Rabeneck L, Reznick R, Carnahan H. Gastrointestinal Endoscopy Competency Assessment Tool: development of a procedure-specific assessment tool for colonoscopy. Gastrointest Endosc. 2014 May; 79(5):798-807.e5. PMID: 24321390.
      View in: PubMed
    62. Walsh CM, Fung M, Ginsburg S. Publication of results of abstracts presented at medical education conferences. JAMA. 2013 Dec 04; 310(21):2307-9. PMID: 24302094.
      View in: PubMed
    63. Walsh CM, Hagemann E, Dubrowski A, Carnahan H. Procedia Social and Behavioral Sciences. Proficiency attained at the end of practice best predicts retention performance: Support for a competency-based approach to procedural skills training. 2013; 93:371-375.
    64. Forget S, Walsh C. Pediatric endoscopy: need for a tailored approach to guidelines on quality and safety. Can J Gastroenterol. 2012 Oct; 26(10):735. PMID: 23061068.
      View in: PubMed
    65. Walsh CM, Sherlock ME, Ling SC, Carnahan H. Virtual reality simulation training for health professions trainees in gastrointestinal endoscopy. Cochrane Database Syst Rev. 2012 Jun 13; (6):CD008237. PMID: 22696375.
      View in: PubMed
    66. Carnahan H, Dubrowski A, Walsh CM, Williams C. Journal of Ergonomics. Where is the learner in ergonomics?. 2012; 2(1):e108.
    67. Walsh CM, Rose DN, Dubrowski A, Ling SC, Grierson LE, Backstein D, Carnahan H. Learning in the simulated setting: a comparison of expert-, peer-, and computer-assisted learning. Acad Med. 2011 Oct; 86(10 Suppl):S12-6. PMID: 21955760.
      View in: PubMed
    68. Carnahan H, Dubrowski A, Walsh CM. Medical education research: the importance of research design and a programmatic approach. Med Educ. 2010 Dec; 44(12):1161-3. PMID: 21155085.
      View in: PubMed
    69. Corbett SL, Walsh CM, Spitzer RF, Ngan BY, Kives S, Zachos M. Vulvar inflammation as the only clinical manifestation of Crohn disease in an 8-year-old girl. Pediatrics. 2010 Jun; 125(6):e1518-22. PMID: 20457677.
      View in: PubMed
    70. Walsh CM, Sherlock ME, Ling SC, Carnahan H. Cochrane Database of Systematic Reviews. Virtual reality simulation training for health professions trainees in gastrointestinal endoscopy (Protocol). 2010; (1).
    71. Benchimol EI, Walsh CM, Ling SC. Early diagnosis of neonatal cholestatic jaundice: test at 2 weeks. Can Fam Physician. 2009 Dec; 55(12):1184-92. PMID: 20008595.
      View in: PubMed
    72. Walsh CM, Ling SC, Wang CS, Carnahan H. Concurrent versus terminal feedback: it may be better to wait. Acad Med. 2009 Oct; 84(10 Suppl):S54-7. PMID: 19907387.
      View in: PubMed
    73. Turner D, Walsh CM, Benchimol EI, Mann EH, Thomas KE, Chow C, McLernon RA, Walters TD, Swales J, Steinhart AH, Griffiths AM. Severe paediatric ulcerative colitis: incidence, outcomes and optimal timing for second-line therapy. Gut. 2008 Mar; 57(3):331-8. PMID: 17981888.
      View in: PubMed
    74. Turner D, Walsh CM, Steinhart AH, Griffiths AM. Response to corticosteroids in severe ulcerative colitis: a systematic review of the literature and a meta-regression. Clin Gastroenterol Hepatol. 2007 Jan; 5(1):103-10. PMID: 17142106.
      View in: PubMed
    75. Walsh CM, Morris SK, Brophy JC, Hiraki LT, Richardson SE, Allen UD. Disseminated blastomycosis in an infant. Pediatr Infect Dis J. 2006 Jul; 25(7):656-8. PMID: 16804444.
      View in: PubMed
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