PT - JOURNAL ARTICLE ED - , TI - BET 3 AID - 10.1136/emj.2010.097337 DP - 2010 Jul 01 TA - Emergency Medicine Journal PG - 558--560 VI - 27 IP - 7 4099 - http://emj.bmj.com/content/27/7/558.short 4100 - http://emj.bmj.com/content/27/7/558.full SO - Emerg Med J2010 Jul 01; 27