Ferreira Junior, Rui Seabra, et al. “Immune Response and Neutralization Capacity of Antibodies Produced in Young Sheep Immunized With Crotalus Durissus Terrificus Native or Cobalt-60 Irradiated Venom”. Brazilian Journal of Veterinary Research and Animal Science, vol. 46, no. 3, June 2009, pp. 207-14, https://doi.org/10.11606/issn.1678-4456.bjvras.2009.26768.