title: Opportunities, challenges, and accountability for HMOs.
authors: New York State Department of Health, Albany 12237.
authors: A
authors: A
authors: Gellhorn
mesh_terms: D015510:Clinical Medicine / Q000592:standards; D002985:Clinical Protocols; D003406:Credentialing; D006279:Health Maintenance Organizations / Q000592:standards*; D006291:Health Policy; D006300:Health Services Misuse; D008489:Medical Indigency; D010820:Physicians / Q000592:standards*; D012941:Social Responsibility; D014481:United States; D016270:United States Agency for Healthcare Research and Quality