Guzmán-Zuluaga, I.C., Grisales-Romero, H. and Ardila-Medina, C.M. 2011. Adjunctive systemic administration of moxifloxacin versus ciprofloxacin plus metronidazole in the treatment of chronic periodontitis harboring gram-negative enteric rods: I. Microbiological and clinical effects. Revista Facultad de Odontología Universidad de Antioquia. 23, 1 (Dec. 2011), 92–110. DOI:https://doi.org/10.17533/udea.rfo.7829.