Comparison of Platelet-Rich Fibrin versus Collagen Membrane in Periodontal Regeneration of Intrabony Defects: A Randomized Clinical Trial. Global journal of medical and pharmaceutical sciences, [S. l.], v. 4, n. 1, p. 29–36, 2026. Disponível em: https://www.globapc.com/index.php/gjmps/article/view/39. Acesso em: 27 aug. 2026.