Albornoz, Luis Antonio Llanco, et al. “Clostridium Perfringens and Necrotic Enteritis in Poultry: Virulence, Genetic and Molecular Factors”. Brazilian Journal of Veterinary Research and Animal Science, vol. 51, no. 3, Dec. 2014, pp. 178-93, https://doi.org/10.11606/issn.1678-4456.v51i3p178-193.