Effects of helicopter service on survival after trauma. Helicopters do not care for patients.
Wilden
J N
JN
D017732:Air Ambulances; D004632:Emergency Medical Services; D006801:Humans; D008131:London / Q000453:epidemiology; D012151:Resuscitation; D014218:Triage; D014947:Wounds and Injuries / Q000401:mortality*