title: Prevalence of Porphyromonas gingivalis. Prevotella intermedia and Actinobacillus actinomycetemcomítans in patients with rapidly progressive periodontitis.
authors.affiliation: Facultad de Medicina. Departamento de Farmacologia. Universidad de Chile.
authors.forename: F.
authors.initials: F
authors.lastname: Gallardo
authors.forename: J.-C.
authors.initials: JC
authors.lastname: Plaza