Ebrahimi Bakhtavar, H., Morteza Bagi, H. R., Rahmani, F., Shahsavari nia, K. and Ettehadi, A. (2017) “Clinical Scoring Systems in Predicting the Outcome of Acute Upper Gastrointestinal Bleeding; a Narrative Review”, Archives of Academic Emergency Medicine, 5(1), p. e36. doi: 10.22037/aaem.v5i1.160.