RT Journal Article SR Electronic T1 British Cardiac Society newsletter JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 500 OP 500 DO 10.1136/hrt.72.5.500 VO 72 IS 5 A1 John Parker YR 1994 UL http://heart.bmj.com/content/72/5/500.abstract AB