title: Rough seas in US managed care.
mesh_terms: D004608:Eligibility Determination; D005380:Financing, Government; D006279:Health Maintenance Organizations / Q000191:economics* / Q000639:trends; D006291:Health Policy; D006801:Humans; D006278:Medicare / Q000191:economics* / Q000331:legislation & jurisprudence; D014481:United States