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 School, vol. 33, no. 2, Mar. 2019, pp. 161-8, doi:10.22037/jds.v33i2.24740.