DETECTION OF FETAL LIFE IN EARLY PREGNANCY WITH AN ULTRASONIC DOPPLER FLOWMETER.
D001775:Blood Circulation; D004864:Equipment and Supplies; D005260:Female; D005318:Fetal Heart; D005333:Fetus; D045268:Flowmeters; D006326:Heart Auscultation; D006339:Heart Rate; D006801:Humans; D011247:Pregnancy; D011674:Pulse; D014465:Ultrasonics
BLOOD CIRCULATION; EQUIPMENT AND SUPPLIES; FETAL HEART; HEART AUSCULTATION; PREGNANCY; PULSE; ULTRASONICS