Pérez J., David, et al. “In Vitro and in Vivo Analysis of Clostridium Perfringens Supernatant Isolates from Alpaca Enterotoxemia Cases”. Revista De Investigaciones Veterinarias Del Perú, vol. 23, no. 3, Sept. 2012, pp. 336-49, https://doi.org/10.15381/rivep.v23i3.915.