title: Keep singin' the Blues.
authors: R L
authors: RL
authors: Rapport
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans / Q000458:organization & administration*; D007349:Insurance, Health, Reimbursement; D007350:Insurance, Hospitalization / Q000458:organization & administration*; D007357:Insurance, Physician Services / Q000458:organization & administration*; D008824:Michigan