Health maintenance organizations: objectives and issues.
D001294:Attitude to Health; D003365:Costs and Cost Analysis; D003695:Delivery of Health Care; D004470:Economics, Medical; D005380:Financing, Government; D006077:Government Agencies; D006123:Group Practice; D006279:Health Maintenance Organizations; D007348:Insurance, Health; D007883:Legislation, Medical; D014481:United States