Shalaby, Lina, Sahar Shawkat, and Iman Fathy. 2023. “Potential Effect of Platelet Rich Fibrin Prepared under Different Centrifugation Protocols on Stem Cells from the Apical Papilla”. Brazilian Dental Science 26 (4). São José dos Campos, Brazil. https://doi.org/10.4322/bds.2023.e3847.