Karatas, O., R. Bilgic, P. Gul, and N. Ozakar Ilday. “Comparison of Translucency and Flexural Strength of Fiber-Reinforced Composite Resin Materials”. Annals of Medical Research, vol. 27, no. 12, May 2021, pp. 3254-9, http://annalsmedres.org/index.php/aomr/article/view/3593.