RT Journal Article SR Electronic T1 Anticipating the onset of inflammatory bowel disease JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 773 OP 774 DO 10.1136/gut.44.6.773 VO 44 IS 6 A1 J F COLOMBEL A1 D LAHARIE A1 B GRANDBASTIEN YR 1999 UL http://gut.bmj.com/content/44/6/773.abstract AB