RT Journal Article SR Electronic T1 A self help guidebook reduced primary care consultations in irritable bowel syndrome JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 179 OP 179 DO 10.1136/ebm.11.6.179 VO 11 IS 6 YR 2006 UL http://ebm.bmj.com/content/11/6/179.abstract AB