title: Back clinics for industry: more than 6,000 United Airlines employees participate.
mesh_terms: D019567:Back Injuries; D002140:California; D003284:Contract Services; D006266:Health Education; D006745:Hospital Bed Capacity, 300 to 499; D006801:Humans; D007221:Industry; D009786:Occupational Health Services / Q000458:organization & administration*