KÖKSAL, Özlem; ÖZEREN, G.; ÖZDEMİR, F.; ARMAĞAN, E.; AYDIN, Şule; AYYILDIZ, T. Prospective Validation of the Glasgow Blatchford Scoring System in Patients With Upper Gastrointestinal Bleeding in the Emergency Department. Turkish Journal of Gastroenterology 2012, 23, 448-455.