title: PPOs: key part of the Medicare solution.
authors.forename: D
authors.initials: D
authors.lastname: Elden
mesh_terms: D003362:Cost-Benefit Analysis; D018166:Health Care Reform; D008119:Lobbying; D008389:Marketing of Health Services; D006278:Medicare / Q000458:organization & administration*; D011243:Preferred Provider Organizations / Q000191:economics / Q000331:legislation & jurisprudence; D014481:United States