Botero-B., Alejandro, Fanny Stella Alvear-E., María Eugenia Vélez-L., Leticia Botero-Z., and Hernando Velásquez-E. 2009. “Evaluation of the Therapeutically Approach of Various Types of Periodontal Disease. Part I: Clinical Aspects”. Revista Facultad De Odontología Universidad De Antioquia 18 (2):6-16. https://doi.org/10.17533/udea.rfo.2758.