[Comparative analysis of phonocardiograms in fetuses and phonocardiograms in newborn infants].
D005318:Fetal Heart; D005333:Fetus; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010701:Phonocardiography
FETAL HEART; INFANT, NEWBORN; PHONOCARDIOGRAPHY