RT Journal Article SR Electronic T1 EBM resources on the new CEBM website JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 67 OP 67 DO 10.1136/ebm.14.3.67 VO 14 IS 3 A1 Carl Heneghan YR 2009 UL http://ebm.bmj.com/content/14/3/67.abstract AB