Placenta · 1987 · 17 citations · 28 references
Animal PhysiologyBiochemistryPlacental DevelopmentMembrane TransportPhysiologyProtein PermeabilityGuinea-pig PlacentaMolecular Charge EffectsMedicineCellular PhysiologyBiophysicsEmbryologyPlacental Function
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Richard C. Graham, Morris J. Karnovsky · Journal of Histochemistry & Cytochemistry · 1966 · 6.5K citations · Full text
J. W. Westwater, H. G. Drickamer · Journal of the American Chemical Society · 1957 · 4.1K citations