title: Evaluation of teratogenic potential of a combination of norethisterone and ethinyl estradiol in rats.
mesh_terms: D000818:Animals; D004357:Drug Synergism; D004997:Ethinyl Estradiol / Q000633:toxicity*; D005260:Female; D005313:Fetal Death; D005333:Fetus / Q000187:drug effects*; D006801:Humans; D008297:Male; D009640:Norethindrone / Q000633:toxicity*; D011247:Pregnancy; D051381:Rats; D013723:Teratogens
chemical_list: D013723:Teratogens; D004997:Ethinyl Estradiol; D009640:Norethindrone