Apaza-Veliz, D.G., Santos, V.F. dos, Franze, D.L., Matos Alves, W.F. and Moraes, E.R. 2023. An easy and direct protocol based on planar molecular images to quantify 131I using thyroid phantom. Brazilian Journal of Radiation Sciences. 11, 4 (Dec. 2023). DOI:https://doi.org/10.15392/2319-0612.2023.2325.