Huchchannavar, Suresh, Girish Puttannavar, and Narayanchandra I. Hebsur. “BLEED: A Classification Tool to Predict Outcomes in Patients With Upper and Lower Gastrointestinal Hemorrhage”. International Surgery Journal 4, no. 8 (July 24, 2017): 2683–2688. Accessed January 7, 2026. https://www.ijsurgery.com/index.php/isj/article/view/1732.