title: Columbia Hospital Corp. drops plans to buy system.
authors: J
authors: J
authors: Greene
mesh_terms: D001130:Arizona; D006268:Health Facilities; D006273:Health Facility Merger; D006761:Hospitals; D006777:Hospitals, Proprietary / Q000191:economics*; D009096:Multi-Institutional Systems; D013781:Texas; D014481:United States