title: Optimizing mitral valve exposure with azygous vein ligation.
authors.forename: M W
authors.initials: MW
authors.lastname: Frank
authors.forename: M J
authors.initials: MJ
authors.lastname: Stout
mesh_terms: D001401:Azygos Vein / Q000601:surgery*; D006348:Cardiac Surgical Procedures; D006801:Humans; D008026:Ligation; D008943:Mitral Valve / Q000601:surgery*