title: [1st derivative of the apex cardiogram in the study of latent cardiac insufficiency].
mesh_terms: D000328:Adult; D003327:Coronary Disease / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D006801:Humans; D007702:Kinetocardiography; D008297:Male; D009200:Myocardial Contraction
vernacular_title: La I derivata dell'apicocardiogramma nello studio della insufficienza cardiaca latente.