title: Failure to detect 3-beta, 11-beta, 17-alpha, 21-tetrahydroxy-5-pregnen-20-one in plasma obtained from human umbilical cords and human infant urine.
mesh_terms: D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011278:Pregnanes / Q000097:blood* / Q000652:urine*; D014470:Umbilical Cord
chemical_list: D011278:Pregnanes