RT Journal Article SR Electronic T1 Why is evidence-based medicine important? JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 133 OP 135 DO 10.1136/ebm.11.5.133 VO 11 IS 5 A1 Paul Glasziou YR 2006 UL http://ebm.bmj.com/content/11/5/133.abstract AB