title: A simple method for separate determination of the main 17,21-dihydroxy-20-ketosteroids.
mesh_terms: D015065:17-Hydroxycorticosteroids / Q000302:isolation & purification / Q000652:urine*; D002845:Chromatography; D006801:Humans; D007659:Ketones / Q000302:isolation & purification / Q000652:urine; D008722:Methods; D008797:Metyrapone / Q000494:pharmacology*; D010636:Phenols; D011278:Pregnanes / Q000652:urine*; D012822:Silicon Dioxide; D012908:Snails / Q000201:enzymology; D013053:Spectrophotometry; D013429:Sulfatases
chemical_list: D015065:17-Hydroxycorticosteroids; D007659:Ketones; D010636:Phenols; D011278:Pregnanes; D012822:Silicon Dioxide; D013429:Sulfatases; D008797:Metyrapone