RT Journal Article SR Electronic T1 Review: one tenth of patients with Crohn’s disease have prolonged remission JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 190 OP 190 DO 10.1136/ebm.7.6.190 VO 7 IS 6 YR 2002 UL http://ebm.bmj.com/content/7/6/190.abstract AB