title: GAO probe details U.S. isotope trouble.
authors.forename: J
authors.initials: J
authors.lastname: Rojas-Burke
mesh_terms: D006077:Government Agencies; D006801:Humans; D007221:Industry; D007554:Isotopes; D009683:Nuclear Medicine; D011868:Radioisotopes; D014481:United States
chemical_list: D007554:Isotopes; D011868:Radioisotopes