HMOs: new horizons or organizational nightmares?
D003191:Comprehensive Health Care; D003365:Costs and Cost Analysis; D003695:Delivery of Health Care; D005380:Financing, Government; D006123:Group Practice; D006279:Health Maintenance Organizations; D006739:Hospital Administration; D006760:Hospitalization; D007348:Insurance, Health; D007354:Insurance, Major Medical; D010067:Ownership; D014481:United States