Collagen Membrane And Leukocyte Platelet Rich Fibrin For Periodontal Regeneration In An In-frabony Defect: A Case Report. Journal of Pharmaceutical Negative Results, [S. l.], p. 376–383, 2023. DOI: 10.47750/pnr.2023.14.02.49. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/7188.. Acesso em: 29 jun. 2026.