Physician decision making: effects of HMO model type and characteristics of medical practice on utilization.
D003625:Data Collection; D003657:Decision Making; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D006760:Hospitalization; D006801:Humans; D008503:Medical Staff; D008962:Models, Theoretical; D010818:Practice Patterns, Physicians'; D014481:United States