Zanini Kantorski, K.; Rodrigues, A. S.; Zimmemann, G. S.; Lotufo, R. F. M. Ocurrence of Porphyromonas Gingivalis in Patients With Periodontitis in Brazil. BDS 2010, 9 (3). https://doi.org/10.14295/bds.2006.v9i3.203.