title: The use of internal standards in the quantitative gas chromatographic determination of urinary 17-oxosteroids.
mesh_terms: D015068:17-Ketosteroids / Q000652:urine; D000738:Androsterone / Q000652:urine; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D006868:Hydrolysis; D007202:Indicators and Reagents; D008722:Methods; D012997:Solvents
chemical_list: D015068:17-Ketosteroids; D007202:Indicators and Reagents; D012997:Solvents; D000738:Androsterone