Health premium increase worries Illinois officials.
D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics*; D005249:Fees and Charges / Q000639:trends*; D006264:Health Benefit Plans, Employee / Q000191:economics*; D007087:Illinois; D007348:Insurance, Health / Q000191:economics*; D007350:Insurance, Hospitalization / Q000191:economics*; D007357:Insurance, Physician Services / Q000191:economics*