title: Air medical communications centers.
authors: R
authors: R
authors: Keller
mesh_terms: D000401:Aircraft; D003284:Contract Services / Q000458:organization & administration; D003365:Costs and Cost Analysis; D004282:Documentation; D004631:Emergency Medical Service Communication Systems / Q000191:economics / Q000458:organization & administration*; D009937:Organizational Objectives; D014481:United States