RT Journal Article SR Electronic T1 Authors’ reply JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1338 OP 1338 VO 57 IS 9 A1 Williams, E J A1 Green, J A1 Beckingham, I A1 Parks, R A1 Martin, D A1 Lombard, M YR 2008 UL http://gut.bmj.com/content/57/9/1338.1.abstract AB