Ebrahimi Bakhtavar, Hanieh, Hamid Reza Morteza Bagi, Farzad Rahmani, Kavous Shahsavari nia, and Arezu Ettehadi. “Clinical Scoring Systems in Predicting the Outcome of Acute Upper Gastrointestinal Bleeding; A Narrative Review”. Archives of Academic Emergency Medicine 5, no. 1 (January 11, 2017): e36. Accessed May 2, 2024. https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/160.