RT Journal Article SR Electronic T1 Review: clinical findings had moderate sensitivity and specificity for diagnosing irritable bowel syndrome JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 89 OP 89 DO 10.1136/ebm.14.3.89 VO 14 IS 3 YR 2009 UL http://ebm.bmj.com/content/14/3/89.abstract AB