Costa, F. O., Cota, L. O. M., Cortelli, J. R., Cortelli, S. C., Cyrino, R. M., Lages, E. J. P., & Oliveira, A. P. L. (2015). Surgical and Non-Surgical Procedures Associated with Recurrence of Periodontitis in Periodontal Maintenance Therapy: 5-Year Prospective Study. PLoS One.

Costa, Fernando Oliveira, Luís Otávio Miranda Cota, José Roberto Cortelli, Sheila Cavalca Cortelli, Renata Magalhães Cyrino, Eugênio José Pereira Lages, and Ana Paula Lima Oliveira. "Surgical and Non-Surgical Procedures Associated With Recurrence of Periodontitis in Periodontal Maintenance Therapy: 5-Year Prospective Study." PLoS One 2015.

Costa, Fernando Oliveira, et al. "Surgical and Non-Surgical Procedures Associated With Recurrence of Periodontitis in Periodontal Maintenance Therapy: 5-Year Prospective Study." PLoS One 2015.