RT Journal Article SR Electronic T1 Dr Dancy reply JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 106 OP 106 DO 10.1136/hrt.56.1.106-b VO 56 IS 1 A1 Dancy, Mark YR 1986 UL http://heart.bmj.com/content/56/1/106.2.abstract AB