title: [Electrophonocardiographic results in patients with hypertensive disease during changes in intra-thoracic pressure].
mesh_terms: D000328:Adult; D002319:Cardiovascular System / Q000503:physiopathology*; D005260:Female; D006339:Heart Rate; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography; D011312:Pressure; D014636:Valsalva Maneuver
vernacular_title: O rezul'tatakh élektrofonokardiograficheskogo issledovaniia bol'nykh gipertonicheskoĭ bolezn'iu vo vremia izmeniia vnutrirudnogo davleniia.