RT Journal Article SR Electronic T1 Preface JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP ii0 OP ii0 DO 10.1136/gut.52.suppl_2.ii0 VO 52 IS suppl 2 A1 Galmiche, JP A1 Pallone, F YR 2003 UL http://gut.bmj.com/content/52/suppl_2/ii0.abstract AB