Photon shielding properties of TiO2 and WO2 incorporated into ordinary concrete: Evaluation for radiotherapy applications. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 13, n. 2, p. e2841, 2025. DOI: 10.15392/2319-0612.2025.2841. Disponível em: https://bjrs.org.br/revista/index.php/REVISTA/article/view/2841. Acesso em: 17 jul. 2025.