An easy and direct protocol based on planar molecular images to quantify 131I using thyroid phantom. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 11, n. 4, 2023. DOI: 10.15392/2319-0612.2023.2325. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2325. Acesso em: 2 may. 2025.