title: Metabolism and distribution of norethynodrel in pregnant and nonpregnant mice.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002247:Carbon Isotopes; D002849:Chromatography, Gas; D005260:Female; D005333:Fetus / Q000032:analysis; D006914:Hydroxysteroids; D007421:Intestine, Small / Q000032:analysis; D007668:Kidney / Q000032:analysis; D008099:Liver / Q000032:analysis; D013058:Mass Spectrometry; D008431:Maternal-Fetal Exchange; D051379:Mice; D008815:Mice, Inbred Strains; D009640:Norethindrone / Q000378:metabolism; D009641:Norethynodrel / Q000378:metabolism*; D011247:Pregnancy; D013997:Time Factors
chemical_list: D002247:Carbon Isotopes; D006914:Hydroxysteroids; D009641:Norethynodrel; D009640:Norethindrone