title: The contraceptive action of impeding oestrogens. IV. Effect of oestradiol on the anti-implantational action of oestriol in the rat.
mesh_terms: D000818:Animals; D003270:Contraceptive Agents / Q000037:antagonists & inhibitors*; D010064:Embryo Implantation / Q000187:drug effects*; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology*; D004964:Estriol / Q000037:antagonists & inhibitors* / Q000378:metabolism; D005260:Female; D007267:Injections; D010063:Ovum; D011247:Pregnancy; D051381:Rats; D014599:Uterus / Q000378:metabolism
chemical_list: D003270:Contraceptive Agents; D004958:Estradiol; D004964:Estriol