RT Journal Article SR Electronic T1 JournalScan JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1545 OP 1545 DO 10.1136/gut.2009.196394 VO 58 IS 11 YR 2009 UL http://gut.bmj.com/content/58/11/1545.abstract AB