When to operate on the rheumatic mitral valve.
D000328:Adult; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve / Q000601:surgery*; D008946:Mitral Valve Stenosis / Q000209:etiology / Q000601:surgery*; D012214:Rheumatic Heart Disease / Q000150:complications / Q000601:surgery*