BIG HOSPITAL BILLS IN BLUE CROSS-BLUE SHIELD.
D054598:Blue Cross Blue Shield Insurance Plans; D004469:Economics, Hospital; D005853:Geriatrics; D006760:Hospitalization; D006761:Hospitals; D006801:Humans; D007350:Insurance, Hospitalization; D008824:Michigan
ECONOMICS, HOSPITAL; GERIATRICS; INSURANCE, HOSPITALIZATION; MICHIGAN