title: Economizing. Copters grounded by cost cutting.
authors.forename: P
authors.initials: P
authors.lastname: MacPherson
mesh_terms: D017732:Air Ambulances / Q000191:economics* / Q000706:statistics & numerical data; D003625:Data Collection; D004636:Emergency Service, Hospital / Q000191:economics* / Q000639:trends; D017721:Hospital Costs; D014481:United States