Manufacture and characterization of a Bolus composed of water, bi-distilled glycerin, gelatin and formaldehyde. Braz. J. Radiat. Sci. [Internet]. 27 de septiembre de 2020 [citado 21 de julio de 2025];8(3). Disponible en: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/1206