title: [Some problems of auscultatory symptomatology of the heart].
mesh_terms: D000367:Age Factors; D003327:Coronary Disease / Q000175:diagnosis*; D006326:Heart Auscultation; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis; D010701:Phonocardiography
vernacular_title: Nekotorye voprosy zvukovoĭ simptomatiki serdtsa