RT Journal Article SR Electronic T1 ABSTRACTS OF CARDIOLOGY JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 270 OP 272 DO 10.1136/hrt.17.2.270 VO 17 IS 2 A2 collaboration with Abstracts of World Medicine YR 1955 UL http://heart.bmj.com/content/17/2/270.abstract AB