Badran, Abdelrahman, Amina Zaki, and Karim Rabie. 2021. “One Year Clinical Evaluation of Milled BioHPP Polyetheretherketone (PEEK)-Based Versus Metal Ceramic Single Crowns (Randomized Controlled Clinical Trial)”. Brazilian Dental Science 24 (3). São José dos Campos, Brazil. https://doi.org/10.14295/bds.2021.v24i3.2518.