title: Antitrust charges fail to slow PPA action by insurer.
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans; D004465:Economic Competition / Q000331:legislation & jurisprudence; D007196:Indiana; D007348:Insurance, Health / Q000331:legislation & jurisprudence*; D007350:Insurance, Hospitalization; D007357:Insurance, Physician Services; D011243:Preferred Provider Organizations / Q000331:legislation & jurisprudence*; D014481:United States; D014485:United States Federal Trade Commission