PT - JOURNAL ARTICLE ED - , TI - WEB TOP 10 AID - 10.1136/heart.89.6.588 DP - 2003 Jun 01 TA - Heart PG - 588--588 VI - 89 IP - 6 4099 - http://heart.bmj.com/content/89/6/588.short 4100 - http://heart.bmj.com/content/89/6/588.full SO - Heart2003 Jun 01; 89