RT Journal Article SR Electronic T1 Abstracts in echocardiography 2000 JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP ii20 OP ii22 DO 10.1136/heart.84.suppl_2.ii20 VO 84 IS suppl 2 YR 2000 UL http://heart.bmj.com/content/84/suppl_2/ii20.abstract AB