PT - JOURNAL ARTICLE AU - Iqbal Malik TI - JournalScan DP - 2004 Dec 01 TA - Heart PG - 1511--1512 VI - 90 IP - 12 4099 - http://heart.bmj.com/content/90/12/1511.short 4100 - http://heart.bmj.com/content/90/12/1511.full SO - Heart2004 Dec 01; 90