Replacement of cardiac valves in man.
D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D004562:Electrocardiography; D006350:Heart Valve Prosthesis; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D009026:Mortality; D012214:Rheumatic Heart Disease