tamire, A. habtamu. “Clinical Profiles and Outcomes of Pediatric Patients Undergoing Gastroscopic and Colonoscopic Procedures at TikurAnbessa Specialized Hospital from September, 2013 to January,2017. (A 5years Pediatrics Endoscopic Trend Analysis)”. Ethiopian Medical Journal, vol. 58, no. 01, Dec. 2019, https://emjema.org/index.php/EMJ/article/view/1260.