title: Out of the game. Major provider participant drops Medicare managed care.
authors.forename: K
authors.initials: K
authors.lastname: Hallam
mesh_terms: D000368:Aged; D006279:Health Maintenance Organizations / Q000191:economics*; D006801:Humans; D006278:Medicare / Q000191:economics*; D010414:Pennsylvania; D020400:Provider-Sponsored Organizations / Q000191:economics*; D014481:United States