Anybody here want to join an HMO?
D000574:American Medical Association; D003695:Delivery of Health Care; D006075:Governing Board; D006279:Health Maintenance Organizations; D006761:Hospitals; D007348:Insurance, Health; D009313:National Health Programs; D011366:Professional Review Organizations; D012040:Regional Health Planning; D012952:Societies; D014481:United States