Zarbakhsh, Arash, et al. “In Vitro Effect of Zirconia and Zirconia Enriched Glass Fiber Composite Posts on Fracture Resistance of Endodontically Treated Teeth”. Journal of Dental and Orofacial Sciences, vol. 33, no. 2, Mar. 2019, pp. 161-8, doi:10.22037/jds.v33i2.24740.