title: [Phonocardiographic changes in pulmonary hypertension].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006321:Heart / Q000503:physiopathology; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography
vernacular_title: O fonokardiograficheskikh izmeneniiakh pri legochnoĭ gipertenzii.