Jafari SA, Kiani MA, Kianifar HR, et al. Etiology of gastrointestinal bleeding in childreen referred to pediatric wards of Mashhad hospitals, Iran. Electron Physician. 2018; 10(2):6341-5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5878028/
Diakses pada Mei 2019Medscape. https://emedicine.medscape.com/article/1955984-overview
Diakses pada Mei 2019Romano C, Oliva S, Martellossi S, et al. Pediatric gastrointestinal bleeding: perspectives from the Italian Society of Pediatric Gastroenterology. World J Gastroenterol. 2017;23(8):1328-37. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5330817/
Diakses pada Mei 2019