title: Guidelines for research and evaluation of emergency medical services.
mesh_terms: D000488:Allied Health Personnel / Q000193:education; D000552:Ambulances / Q000592:standards / Q000600:supply & distribution; D003695:Delivery of Health Care; D004632:Emergency Medical Services / Q000592:standards / Q000706:statistics & numerical data / Q000600:supply & distribution; D004636:Emergency Service, Hospital / Q000592:standards / Q000706:statistics & numerical data; D005069:Evaluation Studies as Topic; D005380:Financing, Government; D006077:Government Agencies; D006801:Humans; D007883:Legislation, Medical; D009026:Mortality; D012106:Research; D014481:United States