title: Columbia sings the (Ohio) blues.
authors.forename: J
authors.initials: J
authors.lastname: Asplund
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans / Q000458:organization & administration*; D006273:Health Facility Merger; D006777:Hospitals, Proprietary / Q000458:organization & administration*; D009096:Multi-Institutional Systems / Q000458:organization & administration*; D009820:Ohio; D010067:Ownership