EMS in the United States. A survey of providers in the 200 most populous cities.
Cady
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GA
Emergency Care Information Center, Carlsbad, CA.
Scott
T
T
D003625:Data Collection; D004632:Emergency Medical Services / Q000145:classification / Q000191:economics / Q000458:organization & administration* / Q000706:statistics & numerical data; D007449:Investments / Q000639:trends; D017149:Private Sector; D014481:United States; D014504:Urban Health