title: [Vectorcardiography in mitral and mitro-aortic valvulopathies. Study of 150 cases by means of punched cards].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child / Q000175:diagnosis; D006349:Heart Valve Diseases / Q000150:complications*; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D014672:Vectorcardiography
vernacular_title: La vectocardiographie dans les valvulopathies mitrales et mitro-aortiques. Etude de 150 cas au moyen de cartes perforées.