RT Journal Article SR Electronic T1 The CARDia trial protocol JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1125 OP 1126 DO 10.1136/heart.89.10.1125 VO 89 IS 10 A1 D Smith YR 2003 UL http://heart.bmj.com/content/89/10/1125.abstract AB