RT Journal Article SR Electronic T1 ABSTRACTS IN ECHOCARDIOGRAPHY JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 37 OP 42 DO 10.1136/hrt.73.5_Suppl_2.37 VO 73 IS 5 Suppl 2 YR 1995 UL http://heart.bmj.com/content/73/5_Suppl_2/37.abstract AB