title: [Double isotope method. Progress in the determination of steroid hormones].
mesh_terms: D002247:Carbon Isotopes; D006728:Hormones / Q000032:analysis; D008722:Methods; D011865:Radioisotope Dilution Technique; D013256:Steroids / Q000032:analysis*; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D006728:Hormones; D013256:Steroids; D014316:Tritium