Emergency services.
D000488:Allied Health Personnel / Q000706:statistics & numerical data; D003142:Communication; D004632:Emergency Medical Services; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D006739:Hospital Administration; D006769:Hospitals, General; D006784:Hospitals, Teaching; D007603:Jurisprudence; D008505:Medical Staff, Hospital; D008511:Medicine; D011787:Quality of Health Care; D013038:Specialization; D013597:Systems Analysis; D014481:United States; D000078329:Workforce