Orsini, G., M. Lelli, A. Catellani, I. Foltran, M. Procaccini, and A. Putignano. “Remineralisation of Enamel Surface by Biomimetic Zn-Carbonate Containing Toothpaste”. Italian Journal of Anatomy and Embryology, vol. 119, no. 1, Mar. 2015, p. 146, https://oajournals.fupress.net/index.php/ijae/article/view/2499.