title: Determination of picogram quantities of Uranium in biological tissues by isotope dilution thermal ionization mass spectrometry with ion counting detection.
mesh_terms: D000818:Animals; D004285:Dogs; D006358:Hot Temperature; D008099:Liver / Q000032:analysis*; D013058:Mass Spectrometry / Q000379:methods; D008832:Microchemistry; D011865:Radioisotope Dilution Technique; D014501:Uranium / Q000302:isolation & purification*
chemical_list: D014501:Uranium