title: The contraceptive action of impeding oestrogens. VI. Contraceptive activity of oestriol derivatives.
mesh_terms: D000818:Animals; D003276:Contraceptives, Oral / Q000494:pharmacology*; D010064:Embryo Implantation / Q000187:drug effects*; D004952:Esters / Q000494:pharmacology; D004964:Estriol / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D011247:Pregnancy
chemical_list: D003276:Contraceptives, Oral; D004952:Esters; D004964:Estriol