RT Journal Article SR Electronic T1 Ileal dysfunction in Crohn's disease assessed by the postprandial serum bile acid response JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 356 OP 356 DO 10.1136/gut.23.4.356 VO 23 IS 4 YR 1982 UL http://gut.bmj.com/content/23/4/356.1.abstract AB