title: Second thoughts about HMOs for Medicare patients.
mesh_terms: D000368:Aged; D014487:Centers for Medicare and Medicaid Services, U.S.; D005431:Florida; D006279:Health Maintenance Organizations / Q000191:economics*; D006291:Health Policy / Q000331:legislation & jurisprudence*; D006801:Humans; D006278:Medicare / Q000331:legislation & jurisprudence*; D011907:Rate Setting and Review / Q000379:methods; D012306:Risk; D014481:United States