title: [Comparative evaluation of fetal Doppler cardiography and fetal phonocardiography in the phase analysis of fetal cardiac activity].
mesh_terms: D004452:Echocardiography; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006339:Heart Rate; D006351:Heart Valves / Q000502:physiology; D006801:Humans; D010701:Phonocardiography; D011247:Pregnancy
vernacular_title: Sravnitelna otsenka na fetalnata doplerkardiograma i fetalnata fonokardiograma pri fazoviia analiz na sŭrdechnata deĭnost na ploda.