[ON THE DIAGNOSIS OF MITRAL INSUFFICIENCY WITH THE ESOPHAGOCARDIOGRAPHIC METHOD].
D004562:Electrocardiography; D008944:Mitral Valve Insufficiency
ELECTROCARDIOGRAPHY; MITRAL VALVE INSUFFICIENCY
K DIAGNOSTIKE NEDOSTATOCHNOSTI MITRAL'NOGO KLAPANA METODOM 'EZOFAGOKARDIOGRAFII.