RT Journal Article SR Electronic T1 Giant gastric ulcer: an endoscopic roller coaster JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 468 OP 468 DO 10.1136/gut.2004.048579 VO 54 IS 4 A1 Laosebikan, A O A1 Govindasamy, V A1 Chinnery, G A1 Ghimenton, F A1 Thomson, S R YR 2005 UL http://gut.bmj.com/content/54/4/468.abstract AB