PT - JOURNAL ARTICLE ED - , TI - BET 2 AID - 10.1136/emj.2010.104927 DP - 2010 Dec 01 TA - Emergency Medicine Journal PG - 953--953 VI - 27 IP - 12 4099 - http://emj.bmj.com/content/27/12/953.1.short 4100 - http://emj.bmj.com/content/27/12/953.1.full SO - Emerg Med J2010 Dec 01; 27