PT - JOURNAL ARTICLE AU - Alistair Lindsay TI - JournalScan DP - 2009 Jun 01 TA - Heart PG - 953--954 VI - 95 IP - 11 4099 - http://heart.bmj.com/content/95/11/953.short 4100 - http://heart.bmj.com/content/95/11/953.full SO - Heart2009 Jun 01; 95