A. Botero-B., F. S. Alvear-E., M. E. Vélez-L., L. Botero-Z., and H. Velásquez-E., “Evaluation of the therapeutic approach of various types of periodontal disease. Part III: enterobacteriaceae enteric rods and yeast species”, Rev Fac Odontol Univ Antioq, vol. 20, no. 1, pp. 72–86, Sep. 2009.