title: Singing the Blues. Plans lost big on operations in '97; enrollment unscathed.
authors: C
authors: C
authors: Rauber
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics* / Q000639:trends; D003625:Data Collection; D005376:Financial Management; D008329:Managed Care Programs / Q000191:economics; D014481:United States