RT Journal Article SR Electronic T1 Role of video endoscopy in managing small bowel disease JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1866 OP 1875 DO 10.1136/gut.2003.035576 VO 53 IS 12 A1 P Swain A1 A Fritscher-Ravens YR 2004 UL http://gut.bmj.com/content/53/12/1866.abstract AB