title: Radioactivity standardization of 99mTc and 99Mo.
mesh_terms: D006077:Government Agencies; D006801:Humans; D008982:Molybdenum / Q000592:standards*; D011868:Radioisotopes / Q000592:standards*; D013667:Technetium / Q000592:standards*; D014481:United States
chemical_list: D011868:Radioisotopes; D013667:Technetium; D008982:Molybdenum