Prehospital care from Napoleon to Mars: the surgeon's role.
McSwain
Norman E
NE
Department of Surgery, Tulane University, School of Medicine, New Orleans, LA 70112, USA.
D004632:Emergency Medical Services / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010819:Physician's Role; D014194:Traumatology / Q000266:history*; D014481:United States