The Influence of Lyophilized Platelet-Rich Fibrin in The Treatment of Periodontal Intra-Bony Defects (A Randomized Clinical Trial). JOC [Internet]. 2024 Jan. 20 [cited 2026 May 5];23(1):988-96. Available from: https://carcinogenesis.com/index.php/JOC/article/view/1909