Heydari, Farhad, Nasim Golestani, and Mehrdad Esmailian. 2018. “Effect of Implementation of Standard Clinical Practice Guideline on Management of Gastrointestinal Bleeding Patients in Emergency Department; A Cross-Sectional Study”. Advanced Journal of Emergency Medicine 2 (4), e42. https://doi.org/10.22114/ajem.v0i0.97.