Social/HMO serves aging population.
D000368:Aged; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D006299:Health Services for the Aged / Q000458:organization & administration*; D006739:Hospital Administration; D006754:Hospital Restructuring; D006801:Humans; D008824:Michigan; D008962:Models, Theoretical; D010865:Pilot Projects