PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine TI - Correction DP - 2002 Mar 01 TA - Emergency Medicine Journal PG - 188--188 VI - 19 IP - 2 4099 - http://emj.bmj.com/content/19/2/188.2.short 4100 - http://emj.bmj.com/content/19/2/188.2.full SO - Emerg Med J2002 Mar 01; 19