title: For some HMOs, amendments don't go far enough.
authors.forename: H
authors.initials: H
authors.lastname: Larkin
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D002568:Certification / Q000331:legislation & jurisprudence; D006279:Health Maintenance Organizations / Q000639:trends*; D014481:United States