Physicians and PPOs: antitrust lessons from Maricopa.
D001130:Arizona; D004465:Economic Competition / Q000331:legislation & jurisprudence; D005245:Fee Schedules / Q000331:legislation & jurisprudence; D006761:Hospitals; D007348:Insurance, Health / Q000331:legislation & jurisprudence*; D010820:Physicians; D014481:United States; D014485:United States Federal Trade Commission