Economic and marketing benefits of an air ambulance program.
D000401:Aircraft; D004469:Economics, Hospital; D004630:Emergencies / Q000451:nursing; D004632:Emergency Medical Services / Q000191:economics / Q000458:organization & administration*; D005249:Fees and Charges; D006757:Hospital Units; D006801:Humans; D008389:Marketing of Health Services; D013781:Texas; D014187:Transportation of Patients