FTC moves more slowly against physician control in Blue Shield and other open-panel health plans.
D054598:Blue Cross Blue Shield Insurance Plans / Q000458:organization & administration*; D006075:Governing Board / Q000331:legislation & jurisprudence*; D006077:Government Agencies; D007357:Insurance, Physician Services / Q000458:organization & administration*; D010820:Physicians; D014481:United States