title: Late results of aortic and/or mitral valve replacement--factors influencing long-term functional status.
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000601:surgery*