Natural radionuclide and 137Cs activity concentration in soils of the Brazilian State of Sergipe and their correlation with environmental characteristics. Braz. J. Radiat. Sci. [Internet]. 30 de septiembre de 2024 [citado 21 de julio de 2025];12(3):e2525. Disponible en: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2525