RT Journal Article SR Electronic T1 What does randomisation achieve? JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 1 OP 2 DO 10.1136/ebm.2011.100061 VO 17 IS 1 A1 La Caze, Adam A1 Djulbegovic, Benjamin A1 Senn, Stephen YR 2012 UL http://ebm.bmj.com/content/17/1/1.abstract AB