Hoshyari, N., H. Labbaf, N. Jalayer Naderi, A. Kazemi, F. Bastami, and M. Koopaei. “Biocompatibility of Portland Cement Modified With Titanium Oxide and Calcium Chloride in a Rat Model”. Iranian Endodontic Journal, vol. 11, no. 2, Mar. 2016, pp. 124-8, doi:10.22037/iej.v11i2.7395.