title: Operational quality assurance: a new concept defined.
authors: Rocky Mountain Helicopters.
authors: R
authors: R
authors: Frazer
mesh_terms: D000401:Aircraft / Q000592:standards*; D004632:Emergency Medical Services / Q000592:standards*; D005568:Forms and Records Control; D007318:Inservice Training; D011785:Quality Assurance, Health Care / Q000458:organization & administration*; D012449:Safety; D014481:United States