RT Journal Article SR Electronic T1 Pre-endoscopic serological test with duodenal biopsy in high risk patients had high sensitivity and low specificity for coeliac disease JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 155 OP 155 DO 10.1136/ebm.12.5.155 VO 12 IS 5 YR 2007 UL http://ebm.bmj.com/content/12/5/155.abstract AB