Guzmán-Zuluaga, I. C.; Grisales-Romero, H.; Ardila-Medina, C. M. 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. Rev Fac Odontol Univ Antioq 2011, 23, 92-110.