F. IBARRA VELARDE, A. HERNÁNDEZ CAMPOS, R. CASTILLO BOCANEGRA, Y. VERA MONTENEGRO, N. RIVERA FERNÁNDEZ, and S. OLAZARÁN JENKINS, “Efficacy of 5-chloro-2-methylthio-6-(1-naftiloxi)-ih-benzimidazole against different stages of Fasciola hepatica in Pelibuey sheep”, Vet Mex OA, vol. 33, no. 001, Oct. 2009.