[The role of the Doppler flowmeter in obstetrics].
D001775:Blood Circulation; D005260:Female; D005318:Fetal Heart; D006801:Humans; D010920:Placenta / Q000098:blood supply; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014469:Umbilical Arteries
Betekenis van de Doppler-flowmeter in de verloskunde.