PT - JOURNAL ARTICLE ED - , TI - Correction DP - 2007 Oct 01 TA - Emergency Medicine Journal PG - 743--743 VI - 24 IP - 10 4099 - http://emj.bmj.com/content/24/10/743.3.short 4100 - http://emj.bmj.com/content/24/10/743.3.full SO - Emerg Med J2007 Oct 01; 24