title: [Antiprogestational action of 5 alpha-dihydronorethisterone].
mesh_terms: D000818:Animals; D001667:Binding, Competitive / Q000187:drug effects; D005260:Female; D009640:Norethindrone / Q000031:analogs & derivatives* / Q000494:pharmacology; D011247:Pregnancy; D011817:Rabbits; D051381:Rats; D011960:Receptors, Estrogen / Q000187:drug effects*; D011980:Receptors, Progesterone / Q000187:drug effects*
chemical_list: D011960:Receptors, Estrogen; D011980:Receptors, Progesterone; C014485:5 alpha-dihydronorethindrone; D009640:Norethindrone