title: Separation of delta-4-3-oxo steroids and delta-5-3-beta-hydroxy steroids by chromatography on digitonin-silica thin layers.
mesh_terms: D002784:Cholesterol; D002855:Chromatography, Thin Layer; D004071:Digitalis Glycosides; D008722:Methods; D011278:Pregnanes; D012822:Silicon Dioxide; D013256:Steroids / Q000302:isolation & purification*
chemical_list: D004071:Digitalis Glycosides; D011278:Pregnanes; D013256:Steroids; D012822:Silicon Dioxide; D002784:Cholesterol