TY - JOUR AU - Calvet, X; Vergara, M; Brullet, E; Gisbert, J P; Campo, R TI - Addition of a second endoscopic treatment following epinephrine injection improves outcome in high-risk bleeding ulcers JO - Gastroenterology IS - 02 VL - 126 PY - 2004 DO - 10.1053/j.gastro.2003.11.006 L3 - PubMed-ID: 14762781 SP - 441 EP - 450 ER -