Ramezanali, Fatemeh, et al. “In Vitro Microleakage of Mineral Trioxide Aggregate, Calcium-Enriched Mixture Cement and Biodentine Intra-Orifice Barriers”. Iranian Endodontic Journal, vol. 12, no. 2, Mar. 2017, pp. 211-5, doi:10.22037/iej.v12i2.13717.