RT Journal Article SR Electronic T1 CORRECTION JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1036 OP 1036 DO 10.1136/gut.2004.40139corr1 VO 56 IS 7 YR 2007 UL http://gut.bmj.com/content/56/7/1036.2.abstract AB