Mohamed, M. S., C. A. Mohsen, and H. . Katamish. “Impact of Chemical Aging on the Fracture Resistance of Two Ceramic Materials: Zirconia-Reinforced Lithium Silicate and Lithium Disilicate Ceramics”. Open Access Macedonian Journal of Medical Sciences, vol. 8, no. D, Sept. 2020, pp. 189-93, doi:10.3889/oamjms.2020.5155.