PT - JOURNAL ARTICLE ED - , TI - WEB TOP 10 DP - 2007 Dec 01 TA - Heart PG - 1501--1501 VI - 93 IP - 12 4099 - http://heart.bmj.com/content/93/12/1501.short 4100 - http://heart.bmj.com/content/93/12/1501.full SO - Heart2007 Dec 01; 93