Placenta · 1986 · 14 citations · 28 references
Life SciencesObstetricsMaternal-fetal MedicineFetal PhysiologyMaternal-fetal PhysiologyPlacental BiologyPlacental PhysiologyPregnancy PhysiologySheep PhysiologyPlacental Blood FlowSingle Umbilical ArteryUmbilical Circulation
28
Melvin M. Grumbach, Selna L. Kaplan, John J. Sciarra et al. · Annals of the New York Academy of Sciences · 1968 · 234 citations
Medicine, Endocrinology, Obstetrics +17