Government workers shift health plans: impact examined.
D054598:Blue Cross Blue Shield Insurance Plans / Q000706:statistics & numerical data*; D006076:Government; D006264:Health Benefit Plans, Employee; D007348:Insurance, Health; D007350:Insurance, Hospitalization / Q000706:statistics & numerical data*; D007357:Insurance, Physician Services / Q000706:statistics & numerical data*; D014481:United States