title: Analysis of steroids. Part XXVII. Difference spectrophotometric determination of oestrogens in oily injections in the presence of 4-ene-3-ketosteroids.
mesh_terms: D004304:Dosage Forms; D004958:Estradiol / Q000031:analogs & derivatives* / Q000032:analysis; D004970:Estrone / Q000031:analogs & derivatives* / Q000032:analysis; D009821:Oils; D011374:Progesterone / Q000032:analysis; D013053:Spectrophotometry / Q000379:methods; D013739:Testosterone / Q000031:analogs & derivatives / Q000032:analysis
chemical_list: D004304:Dosage Forms; D009821:Oils; D004970:Estrone; D013739:Testosterone; D011374:Progesterone; D004958:Estradiol