RT Journal Article SR Electronic T1 Congresses JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 217 OP 217 DO 10.1136/hrt.80.3.217 VO 80 IS 3 A1 M K DAVIES A1 A HOLLMAN YR 1998 UL http://heart.bmj.com/content/80/3/217.abstract AB