The instrumentation of fetal heart rate and fetal electrocardiography. I. A fetal heart monitor.
D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart; D005333:Fetus / Q000502:physiology*; D006340:Heart Rate, Fetal; D006801:Humans; D008991:Monitoring, Physiologic; D011247:Pregnancy; D011364:Professional Practice
FETUS/physiology