Piccinini, Alessia, et al. “FDG-PET/CT/Appearance/of/Injected/Silicone/Particles/(VOX/Implants®)/in/Head/and/Neck/Tissues”. Acta Biomedica Atenei Parmensis, vol. 86, no. 3, Dec. 2015, pp. 283-9, https://mattioli1885journals.com/index.php/actabiomedica/article/view/4079.