RT Journal Article SR Electronic T1 Crohn's disease after ileocolic resection. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1150 OP 1151 DO 10.1136/gut.33.8.1150-b VO 33 IS 8 A1 J W Paulley YR 1992 UL http://gut.bmj.com/content/33/8/1150.3.abstract AB