title: What went wrong with PSOs?
authors.affiliation: The Camden Group, El Segundo, California, USA.
authors.forename: P
authors.initials: P
authors.lastname: Dalton
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D006279:Health Maintenance Organizations; D020398:Medicare Part C; D020400:Provider-Sponsored Organizations / Q000458:organization & administration*; D014481:United States