RT Journal Article SR Electronic T1 News JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1552 OP 1552 DO 10.1136/gut.28.11.1552-a VO 28 IS 11 YR 1987 UL http://gut.bmj.com/content/28/11/1552.2.abstract AB