RT Journal Article SR Electronic T1 Welcome to BMJ Evidence-Based Medicine JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP 45 OP 45 DO 10.1136/bmjebm-2018-110906 VO 23 IS 2 A1 Carl Heneghan YR 2018 UL http://ebm.bmj.com/content/23/2/45.abstract AB