Paz M., R.; Fernández P., V.; Suárez A., F.; Sato S., A. Relationship Between Cephalic Biotype and Severity of Periodontal Disease in the Canine. Rev. investig. vet. Perú 2012, 23 (2), 147-152. https://doi.org/10.15381/rivep.v23i2.894.