Gontijo RMG, Ferreira AV, Nascimento LTC, Costa FM, Silva JB, Mamede M. Constancy tests and quality assurance of the activimeters used in a Radiopharmaceutical Production Unit. Braz. J. Rad. Sci. [Internet]. 2019 Feb. 7 [cited 2024 Dec. 26];7(2A (Suppl.). Available from: https://bjrs.org.br/revista_33014/index.php/REVISTA/article/view/588