title: Reliability of published data on radionuclide half lives--relevance to the use of reference sources for checking instrument performance.
authors.forename: P M
authors.initials: PM
authors.lastname: Waldock
mesh_terms: D001465:Barium Radioisotopes / Q000737:chemistry; D002138:Calibration; D006077:Government Agencies; D006207:Half-Life; D011786:Quality Control; D011829:Radiation Dosage; D011868:Radioisotopes / Q000737:chemistry* / Q000592:standards; D015203:Reproducibility of Results; D014481:United States
chemical_list: D001465:Barium Radioisotopes; D011868:Radioisotopes