S675 Glasgow-Blatchford Score vs Glasgow-Blatchford Score Plus Additional Variables to Predict High-Risk Peptic Ulcers in Acute Nonvariceal Upper Gastrointestinal Bleed in a United Arab Emirates Tertiary Center. (October 2022) - Alhosani, Noora; Alnuaimi, Khaled; Ball, Colleen; Crook, Julia E.; Malik, Talha A.; Wallace, Michael B.