title: Neutral steroids in urine during pregnancy. I. Isolation and identification of dihydroxylated C19 and C21 steroid disulphates.
mesh_terms: D000731:Androstanes / Q000652:urine*; D000738:Androsterone / Q000097:blood; D002849:Chromatography, Gas; D002854:Chromatography, Paper; D002855:Chromatography, Thin Layer; D003687:Dehydroepiandrosterone / Q000652:urine; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine; D011278:Pregnanes / Q000652:urine*; D011284:Pregnenolone / Q000652:urine; D012822:Silicon Dioxide; D013057:Spectrum Analysis; D013431:Sulfates
chemical_list: D000731:Androstanes; D011278:Pregnanes; D013431:Sulfates; D003687:Dehydroepiandrosterone; D011284:Pregnenolone; D012822:Silicon Dioxide; D000738:Androsterone; D011276:Pregnanediol