Manufacture and characterization of a Bolus composed of water, bi-distilled glycerin, gelatin and formaldehyde. Brazilian Journal of Radiation Sciences (BJRS), Rio de Janeiro, Brazil, v. 8, n. 3, 2020. DOI: 10.15392/bjrs.v8i3.1206. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/1206.. Acesso em: 18 may. 2024.