Management and management contracts in the HMO industry.
D003284:Contract Services / Q000458:organization & administration*; D005376:Financial Management / Q000458:organization & administration*; D006075:Governing Board; D006270:Health Facility Administrators; D006279:Health Maintenance Organizations / Q000458:organization & administration* / Q000639:trends; D006801:Humans; D008503:Medical Staff; D014481:United States