Agrawal, Sunit, D Thakur, P Kafle, A Koirala, R K Sanjana, S Kumar, and B N Patowary. “Association of Helicobacter Pylori With Peptic Ulcer Perforation”. Journal of BP Koirala Institute of Health Sciences 2, no. 1 (July 23, 2019): 4–10. Accessed April 24, 2024. https://www.nepjol.info/index.php/jbpkihs/article/view/24960.