Open forum: extrication.
D000059:Accidents; D000488:Allied Health Personnel / Q000193:education*; D003422:Critical Care / Q000379:methods*; D004632:Emergency Medical Services / Q000458:organization & administration*; D004634:Emergency Medical Technicians / Q000193:education*; D006801:Humans; D014187:Transportation of Patients; D014481:United States