S. S. A. Ibrahim, I. A. Mandil, and O. M. Ezzatt, “Injectable platelet rich fibrin effect on laser depigmented gingiva: a clinical randomized controlled split mouth trial with histological assessment”, J Appl Oral Sci, vol. 32, p. e20230307, Mar. 2024, doi: 10.1590/1678-7757-2022-0307.