title: [Double valve replacement in combined valvular diseases with special reference to the immediate results following surgery].
mesh_terms: D000293:Adolescent; D000328:Adult; D001021:Aortic Valve / Q000601:surgery; D006349:Heart Valve Diseases / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D014261:Tricuspid Valve / Q000601:surgery