RT Journal Article SR Electronic T1 Superiority trials: raising the bar of null hypothesis statistical testing JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 154 OP 155 DO 10.1136/ebmed-2015-110280 VO 20 IS 5 A1 Nusrat Shafiq A1 Samir Malhotra YR 2015 UL http://ebm.bmj.com/content/20/5/154.abstract AB