Islam, Md Nazrul, Md Sazedur Rahman, Humayun Kabir, Zahirul Huq, Robed Amin, and Khan Abul Kalam Azad. 2018. “Risk Assessment of Acute Upper Gastrointestinal Haemorrhage With Rockall Score In DMCH”. Bangladesh Journal of Medicine 29 (1):13-25. https://doi.org/10.3329/bjmed.v29i1.35403.