title: Formation of hydrogen sulphates as a means of separating alcoholic from non-alcoholic steroids.
mesh_terms: D000438:Alcohols; D002849:Chromatography, Gas; D005260:Female; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine; D011374:Progesterone / Q000652:urine; D012997:Solvents; D013256:Steroids / Q000302:isolation & purification*; D013431:Sulfates; D014316:Tritium
chemical_list: D000438:Alcohols; D012997:Solvents; D013256:Steroids; D013431:Sulfates; D014316:Tritium; D011374:Progesterone; D011276:Pregnanediol