Iqbal, M. A. ., Mim, M. H. ., & Shahabuddin, N. B. . (2021). Platelet-rich fibrin to manage different periodontal defects combine with Flap surgery and other uses in dentistry. A descriptive review. Update Dental College Journal, 11(2), 43–51. https://doi.org/10.3329/updcj.v11i2.56130