EKA SATYA, D.; THAHIR, H.; OKTAWATI, S.; PUSPITA SARI, N.; TJOKRO, J. Efficacy of Platelet-Rich Fibrin as Regenerative Periodontal Tissue in Chronic Periodontitis: A Case Report. KnE Medicine, v. 2, n. 1, p. 42-53, 25 Apr. 2022.