TY - JOUR AU - Byeon, J S; Mann, N K; Jamil, L H TI - Is a repeat double balloon endoscopy in the same direction useful in patients with recurrent obscure gastrointestinal bleeding? JO - J Clin Gastroenterol VL - 47 PY - 2013 DO - 10.1097/MCG.0b013e318275dabd SP - 496 EP - 500 N1 - et al. ER -