Fano, V., M. Shatel, and M.L. Tanzi. 2007. “Release Phenomena and Toxicity in Polymer-Based Dental Restorative Materials”. Acta Biomedica Atenei Parmensis 78 (3): 190-97. https://mattioli1885journals.com/index.php/actabiomedica/article/view/1901.