RT Journal Article SR Electronic T1 Clinical examination had poor sensitivity for detecting non-cephalic presentation in late pregnancy JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 54 OP 54 DO 10.1136/ebm.12.2.54 VO 12 IS 2 YR 2007 UL http://ebm.bmj.com/content/12/2/54.abstract AB