Ruissen, C J Characteristics of the umbilical artery velocity waveform as function of measurement site. [electronic resource] - Gynecologic and obstetric investigation 1990 - 212-6 p. digital Publication Type: Journal Article ISSN: 0378-7346 Standard No.: 10.1159/000293272 doi Subjects--Topical Terms: AdultBlood Flow Velocity--physiologyFemaleHumansMaternal-Fetal Exchange--physiologyPlacental Function TestsPregnancyPulsatile Flow--physiologyUltrasonicsUltrasonography, PrenatalUmbilical Arteries--diagnostic imaging