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Sulfonation of Maternal Steroids is a Conserved Metabolic Pathway in Vertebrates

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In ovo inhibition of steroid metabolism by bisphenol-A as a potential mechanism of endocrine disruption

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Biological activity of oestradiol sulphate in an oviparous amniote: implications for maternal steroid effects

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Embryonic modulation of maternal steroids in European starlings (Sturnus vulgaris)

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Rapid decline in the concentrations of three yolk steroids during development: Is it embryonic regulation?

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Steroids in chicken egg yolk: Metabolism and uptake during early embryonic development

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Progesterone metabolites, “xenobiotic-sensing” nuclear receptors, and the metabolism of maternal steroids

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A proposed role of the sulfotransferase/sulfatase pathway in modulating yolk steroid effects

(2008) R. T. Paitz et al.   INTEGRATIVE AND COMPARATIVE BIOLOGY