title: [ON THE DIAGNOSIS OF THE DEGREE OF MITRAL INSUFFICIENCY USING THE ESOPHAGOCARDIOGRAPHIC METHOD].
mesh_terms: D004947:Esophagus; D006334:Heart Function Tests; D006801:Humans; D008944:Mitral Valve Insufficiency; D008946:Mitral Valve Stenosis; D010701:Phonocardiography
keywords: ESOPHAGUS; HEART FUNCTION TESTS; MITRAL VALVE INSUFFICIENCY; MITRAL VALVE STENOSIS; PHONOCARDIOGRAPHY
vernacular_title: K DIAGNOSTIKE STEPENI NEDOSTATOCHNOSTI MITRAL'NOGO KLAPANA METODOM 'EZOFAGOKARDIOGRAFII.