[The ballistocardiogram before and after mitral commissurotomy].
D001450:Ballistocardiography; D006351:Heart Valves; D006801:Humans; D008946:Mitral Valve Stenosis / Q000601:surgery*
BALLISTOCARDIOGRAPHY; MITRAL STENOSIS/surgery
El balistocardiograma antes y después de la comisurotomía mitral.