title: Possible influence of decreasing maternal ephedrine requirements on fetal/maternal concentration ratio at delivery.
authors.forename: David W
authors.initials: DW
authors.lastname: Cooper
mesh_terms: D036861:Delivery, Obstetric; D004809:Ephedrine / Q000378:metabolism*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange / Q000187:drug effects / Q000502:physiology*; D011247:Pregnancy
chemical_list: D004809:Ephedrine