Clinical and radiographic evaluation of Bio-Gen with biocollagen compared with Bio-Gen with connective tissue in the treatment of class II furcation defects: a randomized clinical trial . Journal of Applied Oral Science, [S. l.], v. 21, n. 5, p. 422–429, 2013. DOI: 10.1590/1679-775720130113. Disponível em: https://revistas.usp.br/jaos/article/view/80495.. Acesso em: 10 may. 2024.