RT Journal Article SR Electronic T1 Evaluation of large scale clinical trials and their application to usual practice JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 679 OP 684 DO 10.1136/heart.84.6.679 VO 84 IS 6 A1 Andrew M Tonkin YR 2000 UL http://heart.bmj.com/content/84/6/679.abstract AB