MEASUREMENT OF TONE RESPONSE BY THE HUMAN FOETUS. A PRELIMINARY REPORT.
D001299:Audiometry; D005318:Fetal Heart; D005333:Fetus; D006326:Heart Auscultation; D006339:Heart Rate; D006801:Humans; D011674:Pulse
AUDIOMETRY; FETAL HEART; FETUS; HEART AUSCULTATION; PULSE