title: Tracking America's two largest alliances: VHA and American Healthcare Systems.
authors: S
authors: S
authors: Lutz
authors: J
authors: J
authors: Greene
mesh_terms: D002140:California; D003284:Contract Services; D005377:Financial Management, Hospital; D006761:Hospitals; D006777:Hospitals, Proprietary / Q000458:organization & administration*; D006788:Hospitals, Voluntary / Q000458:organization & administration*; D007182:Income; D009096:Multi-Institutional Systems / Q000458:organization & administration*; D013781:Texas; D014481:United States