RT Journal Article SR Electronic T1 Conferences JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 200 OP 200 DO 10.1136/heart.87.3.200 VO 87 IS 3 A1 M K Davies A1 A Hollman YR 2002 UL http://heart.bmj.com/content/87/3/200.abstract AB