Categorization and regionalization of hospital emergency facilities.
D000068:Accreditation; D000488:Allied Health Personnel / Q000600:supply & distribution; D000773:Anesthesia, Obstetrical; D000776:Anesthesiology; D002662:Child Health Services; D003365:Costs and Cost Analysis; D003695:Delivery of Health Care; D004636:Emergency Service, Hospital; D004864:Equipment and Supplies; D005069:Evaluation Studies as Topic; D006748:Hospital Departments; D006801:Humans; D007362:Intensive Care Units; D008505:Medical Staff, Hospital / Q000706:statistics & numerical data; D009741:Nursing Staff, Hospital / Q000706:statistics & numerical data; D010865:Pilot Projects; D012041:Regional Medical Programs; D012138:Respiratory Therapy; D013514:Surgical Procedures, Operative; D014481:United States