A reexamination of medical society control of Blue Shield plans.
D054598:Blue Cross Blue Shield Insurance Plans / Q000458:organization & administration*; D003365:Costs and Cost Analysis; D005251:Fees, Medical; D007342:Insurance Benefits; D007357:Insurance, Physician Services / Q000458:organization & administration*; D008962:Models, Theoretical; D012955:Societies, Medical; D013223:Statistics as Topic; D014481:United States