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MedicineEndocrinologyObstetricsEmbryologyIn Vitro FertilizationReproductive EndocrinologyBlastocyst DevelopmentEmbryo ImplantationPlacental PhysiologyPregnancyPregnancy EndocrinologyPreimplantation Embryo DevelopmentEmbryonic Hormonal RegulationGestational Hormone RegulationHormonal Regulation Of Embryogenesis
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Virginia N. Bolton, Susan M. Hawes, Clare T. Taylor et al. · Journal of Assisted Reproduction and Genetics · 1989 · 268 citations
Pregnancy specificβ 1 — a product of the syncytiotrophoblast
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