Emergency care in the USA.
The Lancet
D004632:Emergency Medical Services / Q000458:organization & administration*; D018166:Health Care Reform / Q000458:organization & administration*; D006301:Health Services Needs and Demand; D006801:Humans; D015969:National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; D011057:Politics; D017749:Total Quality Management / Q000458:organization & administration*; D014481:United States; D016526:Workload