title: Health plans' strategic responses to a changing marketplace.
authors: HealthPartners, Minneapolis, USA.
authors: G C
authors: GC
authors: Halvorson
mesh_terms: D004465:Economic Competition; D017048:Health Care Costs; D019981:Health Care Sector / Q000639:trends*; D006801:Humans; D008329:Managed Care Programs / Q000191:economics* / Q000639:trends; D017146:Models, Organizational; D014481:United States