title: Managed-care comeback. System uses painful HMO experience to avoid problems with its Medicare PSO.
authors: Crozer-Keystone Health System, Springfield, PA, USA.
authors: J
authors: J
authors: McMeekin
mesh_terms: D000368:Aged; D018672:Community Health Planning; D019058:Community Networks / Q000191:economics / Q000458:organization & administration*; D003195:Computer Communication Networks; D003284:Contract Services / Q000191:economics / Q000458:organization & administration; D019033:Delivery of Health Care, Integrated / Q000191:economics / Q000458:organization & administration*; D006279:Health Maintenance Organizations / Q000191:economics; D006801:Humans; D006278:Medicare / Q000458:organization & administration*; D015143:Philadelphia; D010865:Pilot Projects; D018570:Risk Assessment; D014481:United States