RT Journal Article SR Electronic T1 Inflammatory bowel disease - diagnosis and treatment JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 425 OP 425 DO 10.1136/gut.33.3.425-a VO 33 IS 3 A1 H J F Hodgson YR 1992 UL http://gut.bmj.com/content/33/3/425.2.abstract AB