TY - JOUR AU - Leung, W K; Suen, B-Y; Chan, F KL TI - Immediate capsule endoscopy or angiogram in patients with acute obscure gastrointestinal bleeding: a prospective randomized study JO - Gastrointest Endosc VL - 75 PY - 2012 SP - AB124 EP - AB125 N1 - et al. ER -