RT Journal Article SR Electronic T1 Spinning wider JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP 139 OP 139 DO 10.1136/bmjebm-2019-111267 VO 26 IS 3 A1 Saraga, Michael A1 Stiefel, Friedrich YR 2021 UL http://ebm.bmj.com/content/26/3/139.abstract AB