Oliveira, C. da M., BrĂ¼ning, F. F., Lyra, J. G. P., Zanetti, S. Y., Funchal, M., & Fernandes, T. C. de O. (2020). Manufacture and characterization of a Bolus composed of water, bi-distilled glycerin, gelatin and formaldehyde. Brazilian Journal of Radiation Sciences, 8(3). https://doi.org/10.15392/bjrs.v8i3.1206