[The emergency physician - development of a new medical specialty in the USA].
D004632:Emergency Medical Services / Q000458:organization & administration; D004635:Emergency Medicine; D004636:Emergency Service, Hospital / Q000639:trends; D011331:Private Practice / Q000706:statistics & numerical data; D014481:United States
Der Notfall-Arzt--Entstehung einer neuen medizinischen Spezialität in den USA.