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 109 OP 110 DO 10.1136/hrt.71.1.109-a VO 71 IS 1 A1 John Parker A1 John G F Cleland YR 1994 UL http://heart.bmj.com/content/71/1/109.2.abstract AB