title: Quantitative spectrodensitometry of silica gel thin layers impregnated with sulfuric acid.
mesh_terms: D002784:Cholesterol / Q000032:analysis; D002855:Chromatography, Thin Layer; D003720:Densitometry; D004958:Estradiol / Q000032:analysis; D004964:Estriol / Q000032:analysis; D005782:Gels; D006854:Hydrocortisone / Q000032:analysis; D012825:Silicon; D013057:Spectrum Analysis; D013256:Steroids / Q000032:analysis; D013464:Sulfuric Acids; D013739:Testosterone / Q000032:analysis
chemical_list: D005782:Gels; D013256:Steroids; D013464:Sulfuric Acids; D013739:Testosterone; D004958:Estradiol; D002784:Cholesterol; D004964:Estriol; D006854:Hydrocortisone; D012825:Silicon