The Emergency Medical Service Systems Act of 1973.
D000552:Ambulances / Q000592:standards; D003256:Community Participation; D004469:Economics, Hospital; D004470:Economics, Medical; D004501:Education, Medical; D004630:Emergencies; D004632:Emergency Medical Services; D004636:Emergency Service, Hospital; D004865:Equipment and Supplies, Hospital; D005380:Financing, Government; D007883:Legislation, Medical; D008511:Medicine; D011787:Quality of Health Care; D012109:Research Support as Topic; D013038:Specialization; D014481:United States