TY - JOUR AN - 35 AU - Boonpongmanee,S. AU - Fleischer,D.E. AU - Pezzullo,J.C. TI - The frequency of peptic ulcer as a cause of upper-GI bleeding is exaggerated. JO - Gastrointest Endosc PY - 2004 VL - 59 SP - 788-794 M2 - 788 DO - 10.1016/S0016-5107(04)00181-6 ER -