Sancilio, Silvia, et al. “Effect of Chitlac-NAg on Streptococcus Mitis Internalization into Human Gingival Fibroblasts”. Italian Journal of Anatomy and Embryology, vol. 120, no. 1, Sept. 2015, p. 83, https://oajournals.fupress.net/index.php/ijae/article/view/4037.