THE FETAL HEART; COMPARISON OF ITS ELECTRICAL AND MECHANICAL EVENTS.
D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart; D006339:Heart Rate; D006801:Humans; D010701:Phonocardiography; D010827:Physiology; D011247:Pregnancy; D011248:Pregnancy Complications; D011674:Pulse
ELECTROCARDIOGRAPHY; FETAL HEART; PHONOCARDIOGRAPHY; PHYSIOLOGY; PREGNANCY; PREGNANCY COMPLICATIONS; PULSE