F. J. BASURTO ALCÁNTARA, J. A. MONTARAZ CRESPO, M. E. ROSALES, R. HERNÁNDEZ CASTRO, and A. VERDUGO RODRÍGUEZ, “Cloning, sequencing and expression of the prn pertactin gene of canine origin Bordetella bronchiseptica”, Vet Mex OA, vol. 36, no. 004, Oct. 2009.