title: Emergency medical services: what's been done--and what hasn't.
abstract: Despite a host of severe problems, including financial losses, territorial battles among many participation entities, and growing pains of every description, emergency medical services have come into their own, with impressive results.
mesh_terms: D004632:Emergency Medical Services / Q000458:organization & administration*; D004634:Emergency Medical Technicians; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D007373:Interinstitutional Relations; D014481:United States