Medical direction of prehospital care.
Matera
P
P
D000488:Allied Health Personnel; D002985:Clinical Protocols; D004632:Emergency Medical Services / Q000458:organization & administration*; D006801:Humans; D016134:Organizational Policy; D010344:Patient Advocacy; D010819:Physician's Role; D011787:Quality of Health Care; D012955:Societies, Medical; D014481:United States