title: Emergency services: growing discipline comes of age.
abstract: The first explosion of growth in EMS systems is followed by assessment, information-gathering, and building on programs already in place.
mesh_terms: D000552:Ambulances; D001071:Appointments and Schedules; D004632:Emergency Medical Services / Q000458:organization & administration*; D004636:Emergency Service, Hospital / Q000458:organization & administration* / Q000706:statistics & numerical data; D005069:Evaluation Studies as Topic; D006801:Humans; D010343:Patient Admission; D010344:Patient Advocacy; D011787:Quality of Health Care; D014481:United States