Begum, F. ., K. L. . Nahid, F. . Islam, W. . Majumder, .-. Md Rukunuzzaman, and A. B. . Karim. “Paediatric Colonoscopy: Experience from Pediatric Gastroenterology and Nutrition Department, BSMMU”. Bangladesh Journal of Child Health, vol. 45, no. 1, Sept. 2021, pp. 25-28, doi:10.3329/bjch.v45i1.55470.