PT - JOURNAL ARTICLE AU - Iqbal Malik TI - JournalScan AID - 10.1136/heart.90.1.117 DP - 2004 Jan 01 TA - Heart PG - 117--118 VI - 90 IP - 1 4099 - http://heart.bmj.com/content/90/1/117.short 4100 - http://heart.bmj.com/content/90/1/117.full SO - Heart2004 Jan 01; 90