Confront managed care's impact on EMS.
D003363:Cost Control; D004634:Emergency Medical Technicians; D004636:Emergency Service, Hospital / Q000191:economics / Q000458:organization & administration* / Q000706:statistics & numerical data; D008329:Managed Care Programs / Q000458:organization & administration*; D008396:Maryland; D017008:Negotiating; D014187:Transportation of Patients / Q000191:economics