PT - JOURNAL ARTICLE ED - , TI - WEB TOP 10 DP - 2007 Mar 01 TA - Heart PG - 286--286 VI - 93 IP - 3 4099 - http://heart.bmj.com/content/93/3/286.short 4100 - http://heart.bmj.com/content/93/3/286.full SO - Heart2007 Mar 01; 93