"Third service" EMS: a five-year projection on a model city measures the cost of conversion.
D002322:Career Mobility; D004632:Emergency Medical Services / Q000458:organization & administration*; D004634:Emergency Medical Technicians; D005544:Forecasting; D006077:Government Agencies / Q000458:organization & administration*; D006801:Humans; D008962:Models, Theoretical; D012456:Salaries and Fringe Benefits; D014481:United States