PT - JOURNAL ARTICLE AU - Iain A Simpson TI - Echocardiography 2003 AID - 10.1136/heart.89.suppl_3.iii1 DP - 2003 Nov 01 TA - Heart PG - iii1--iii1 VI - 89 IP - suppl 3 4099 - http://heart.bmj.com/content/89/suppl_3/iii1.short 4100 - http://heart.bmj.com/content/89/suppl_3/iii1.full SO - Heart2003 Nov 01; 89