Borges, A. H., O. A. Guedes, L. E. R. Volpato, G. Siebert Filho, A. M. Borba, O. Zina, E. Piva, and C. Estrela. “Physicochemical Properties of MTA and Portland Cement After Addition of Aloe Vera”. Iranian Endodontic Journal, vol. 12, no. 3, July 2017, pp. 312-7, doi:10.22037/iej.v12i3.10635.