RT Journal Article SR Electronic T1 Alimentary, my dear doctor JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1031 OP 1032 DO 10.1136/gut.30.7.1031-b VO 30 IS 7 A1 Wingate, David YR 1989 UL http://gut.bmj.com/content/30/7/1031.3.abstract AB