RT Journal Article SR Electronic T1 Endoscopy in a new light… JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1340 OP 1340 VO 57 IS 9 A1 Peter D Fairclough YR 2008 UL http://gut.bmj.com/content/57/9/1340.1.abstract AB