The Accuracy of Pre-Endoscopic Scores for Mortality Prediction in Patients with Upper GI Bleeding and No Endoscopy Performed oleh Sergiu Marian Cazacu, Dragoș Ovidiu Alexandru, Răzvan-Cristian Statie, Sevastița Iordache, Bogdan Silviu Ungureanu, Vlad Florin Iovănescu, Petrică Popa, Victor Mihai Sacerdoțianu, Carmen Daniela Neagoe, Mirela Marinela Florescu