title: [Demonstration of estrogenic steroid in the immature ovary of Xenopus laevis Daudin, and the estrogen cycle during laying].
mesh_terms: D000818:Animals; D004967:Estrogens / Q000378:metabolism*; D005260:Female; D006801:Humans; D010053:Ovary / Q000502:physiology*; D014982:Xenopus laevis
chemical_list: D004967:Estrogens
keywords: ESTROGENS/metabolism; OVARY/physiology