title: Managed-care Godzilla. United-Humana deal puts pressure on providers, insurers.
authors.forename: C
authors.initials: C
authors.lastname: Rauber
mesh_terms: D004465:Economic Competition; D019981:Health Care Sector / Q000639:trends*; D006273:Health Facility Merger; D008329:Managed Care Programs / Q000191:economics / Q000458:organization & administration* / Q000706:statistics & numerical data; D014481:United States