HEW study finds commercial insurers "more cost-minimizing" than Blue Cross-Blue Shield.
D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics*; D003365:Costs and Cost Analysis; D007341:Insurance; D007343:Insurance Carriers; D007348:Insurance, Health / Q000191:economics*; D007350:Insurance, Hospitalization / Q000191:economics*; D007357:Insurance, Physician Services / Q000191:economics*; D014481:United States; D014483:United States Dept. of Health and Human Services