title: Determination of selenium in biological materials by stable isotope dilution gas chromatography-mass spectrometry.
mesh_terms: D000818:Animals; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006801:Humans; D007201:Indicator Dilution Techniques; D051381:Rats; D012643:Selenium / Q000032:analysis*; D013552:Swine
chemical_list: D012643:Selenium