American Journal of Anatomy · 1964 · 54 citations · 14 references
Life SciencesMolecular BiologyObstetricsEmbryologyMaternal-fetal MedicineNucleic Acid BiochemistryFetal DevelopmentFetal PhysiologyPlacental BiologyPlacental DevelopmentPlacental PhysiologyPregnancy PhysiologyGestational Age MeasurementPlacenta AnatomyPlacental CellsPlacental Development Across Gestation
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J. Herbert Taylor, Philip S. Woods, Walter L. Hughes · Proceedings of the National Academy of Sciences · 1957 · 826 citations · Full text
I. Doniach, S. R. Pelc · British Journal of Radiology · 1950 · 289 citations