Late results of cardiac valve replacement. Nine years experience.
D003645:Death, Sudden; D005500:Follow-Up Studies; D006349:Heart Valve Diseases / Q000401:mortality* / Q000601:surgery; D006350:Heart Valve Prosthesis / Q000009:adverse effects / Q000401:mortality; D006351:Heart Valves / Q000601:surgery*; D006801:Humans