title: Perspectives. Opposing lobbies gird for battle over PSOs.
authors.forename: R
authors.initials: R
authors.lastname: Cunningham
mesh_terms: D003256:Community Participation; D018166:Health Care Reform; D006759:Hospital-Physician Joint Ventures / Q000331:legislation & jurisprudence*; D008119:Lobbying; D006278:Medicare / Q000331:legislation & jurisprudence*; D011243:Preferred Provider Organizations / Q000331:legislation & jurisprudence*; D014481:United States