[Practical experiences with the Doppler flowmeter in obstetrics].
D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006801:Humans; D008722:Methods; D010920:Placenta; D011247:Pregnancy; D014159:Transducers; D014427:Twins; D014465:Ultrasonics
Praktische ervaringen met de Doppler flowmeter in de verloskunde.