RT Journal Article SR Electronic T1 Epley and the slow boat from research to practice JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 34 OP 35 DO 10.1136/ebm.13.2.34-a VO 13 IS 2 A1 Paul Glasziou A1 Carl Heneghan YR 2008 UL http://ebm.bmj.com/content/13/2/34.2.abstract AB