PT - JOURNAL ARTICLE AU - Goodacre, S TI - Critical appraisal for emergency medicine: 6 Systematic reviews AID - 10.1136/emj.2007.057356 DP - 2009 Feb 01 TA - Emergency Medicine Journal PG - 114--116 VI - 26 IP - 2 4099 - http://emj.bmj.com/content/26/2/114.short 4100 - http://emj.bmj.com/content/26/2/114.full SO - Emerg Med J2009 Feb 01; 26