Columbia moving towards being super med.
Johnson
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D019033:Delivery of Health Care, Integrated / Q000458:organization & administration*; D017754:Group Purchasing / Q000458:organization & administration; D006273:Health Facility Merger / Q000458:organization & administration; D006777:Hospitals, Proprietary / Q000458:organization & administration*; D009096:Multi-Institutional Systems / Q000458:organization & administration*; D014481:United States