title: [Study in mitral stenosis of the left ventricular systrole by using external registers].
mesh_terms: D004562:Electrocardiography; D006326:Heart Auscultation; D006339:Heart Rate; D006351:Heart Valves / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D008946:Mitral Valve Stenosis / Q000503:physiopathology*; D010701:Phonocardiography
vernacular_title: Estudio, en las estenosis mitrales, de la sístole izquierda mediante registros externos.