title: Failure of ovarian steroids to influence blastocysts of weasels (Mustele erminea) ovariectomized during delayed implantation.
mesh_terms: D000818:Animals; D002335:Carnivora; D002369:Castration; D010064:Embryo Implantation; D004970:Estrone / Q000494:pharmacology*; D005260:Female; D010053:Ovary / Q000502:physiology*; D010063:Ovum / Q000187:drug effects*; D011374:Progesterone / Q000494:pharmacology*; D014599:Uterus / Q000187:drug effects*
chemical_list: D004970:Estrone; D011374:Progesterone