Katira, Heet Bharatkumar, and Shirish Srivastava. “Upper Gastro Intestinal Bleed: Causes, Endoscopic Profile and Usefulness of Rockall Score in Determining the Outcome”. International Journal of Research in Medical Sciences 11, no. 6 (May 5, 2023): 1956–1962. Accessed February 2, 2026. https://www.msjonline.org/index.php/ijrms/article/view/12121.