title: [Analytical chemical studies on steroids. 38. Polarography of unsaturated ketosteroids].
mesh_terms: D000731:Androstanes / Q000032:analysis*; D000738:Androsterone / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D006863:Hydrogen-Ion Concentration; D007659:Ketones / Q000032:analysis; D010084:Oxidation-Reduction; D011048:Polarography; D011278:Pregnanes / Q000032:analysis*
chemical_list: D000731:Androstanes; D007659:Ketones; D011278:Pregnanes; D000738:Androsterone