Hashemi, S.A., Valizadeh, S.M., Gonoodi, S. and Maleki, I. 2019. Endoscopic findings and outcomes of upper gastrointestinal bleeding patients in northern Iran population referred to the emergency department. Pathologia. 1 (May 2019). DOI:https://doi.org/10.14739/2310-1237.2019.1.166175.