title: Neutral steroids in urine during pregnancy. II. Identification of sulphate-conjugated 5-alpha-pregnane-3-alpha, 20-alpha, 21-triol and related compounds.
mesh_terms: D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D005260:Female; D006801:Humans; D011247:Pregnancy; D011278:Pregnanes / Q000652:urine*; D012822:Silicon Dioxide; D013057:Spectrum Analysis; D013431:Sulfates / Q000652:urine
chemical_list: D011278:Pregnanes; D013431:Sulfates; D012822:Silicon Dioxide