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Volumetric flow in the umbilical artery: normative data.

J. Goldkrand, D. H. Moore, S. U. Lentz, 2000, The Journal of maternal-fetal medicine.

Doppler velocimetry in the fetus with a single umbilical artery.

J. Goldkrand, S. U. Lentz, S. Clements, 1999, The Journal of reproductive medicine.

Volumetric flow in the umbilical artery: Normative data

J. Goldkrand, D. H. Moore, S. U. Lentz, 2000 .