TY - JOUR T1 - Critical appraisal for emergency medicine: 1. Concepts and definitions. JO - Emerg Med J PY - 2008/03/20 AU - Goodacre S ED - DO - DOI: 10.1136/emj.2007.057307 VL - 25 IS - 4 SP - 219 EP - 221 Y2 - 2025/11/30 ER -