Zimmerman, B E Correct use of dose calibrator values. [electronic resource] - Journal of nuclear medicine : official publication, Society of Nuclear Medicine Mar 1998 - 575-6 p. digital Publication Type: Comment; Letter ISSN: 0161-5505 Subjects--Topical Terms: CalibrationHumansRadiopharmaceuticals--standardsScintillation Counting--instrumentationYttrium Radioisotopes--standards