D. Medina-Valarezo, M. Camacho, M. García-Herreros, A. Ortega-Ojeda, and F. Angulo-Cubillán, “Effect of Propolis dye vs Chlorhexidine in the treatment of Periodontal Disease in domestic canines”, Rev. Cient. FCV-LUZ, vol. 31, no. 3, pp. 81- 85, Jul. 2021.