R. PADILLA NORIEGA, E. ABURTO FERNÁNDEZ, M. FRAIRE CACHÓN, and L. PADILLA NORIEGA, “Avian influenza: Histopathology and viral detection in formalin-fixed, paraffin-embedded tissues by RT-PCR”, Vet Mex OA, vol. 35, no. 001, Oct. 2009.