title: [PHONOCARDIOGRAPHIC STUDY OF THE FETUS IN PROLONGED PREGNANCY].
mesh_terms: D005260:Female; D005318:Fetal Heart; D005333:Fetus; D006801:Humans; D010701:Phonocardiography; D011247:Pregnancy; D011273:Pregnancy, Prolonged; D012106:Research
keywords: FETAL HEART; PHONOCARDIOGRAPHY; PREGNANCY; PREGNANCY, PROLONGED
vernacular_title: FONOKARIOGRAFICHESKIE ISSLEDOVANIIA PLODA PRI PERENASHIVANII BEREMENNOSTI.