Assessment of the use of tailings based on the legal requirements for radiation protection, from niobium mining in Minas Gerais – Brazil. Braz. J. Rad. Sci. [Internet]. 2023 Dec. 5 [cited 2024 May 9];11(1A (Suppl.). Available from: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2173