RT Journal Article SR Electronic T1 Digest JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1217 OP 1217 VO 55 IS 9 A1 Spiller, Robin A1 Watson, Alastair YR 2006 UL http://gut.bmj.com/content/55/9/1217.2.abstract AB