title: Clouds on the 'private Medicare' horizon.
mesh_terms: D000368:Aged; D004608:Eligibility Determination; D006299:Health Services for the Aged / Q000191:economics*; D006801:Humans; D007182:Income; D007354:Insurance, Major Medical / Q000191:economics*; D006278:Medicare / Q000191:economics*; D014481:United States