title: Bush's plan for Medicare PPO faces uphill climb.
authors: C
authors: C
authors: Tokarski
mesh_terms: D000368:Aged; D014487:Centers for Medicare and Medicaid Services, U.S.; D006801:Humans; D008329:Managed Care Programs / Q000331:legislation & jurisprudence*; D006278:Medicare / Q000458:organization & administration*; D011243:Preferred Provider Organizations / Q000331:legislation & jurisprudence*; D014481:United States