[Clinical study of ballistocardiogram. II. Ballistocardiogram in mitral stenosis before and after mitral commissurotomy].
D001450:Ballistocardiography; D035843:Biomedical Research; D006351:Heart Valves; D006801:Humans; D008946:Mitral Valve Stenosis / Q000601:surgery*
BALLISTOCARDIOGRAPHY; MITRAL STENOSIS/surgery