Campa-Córdova, AI, et al. “Immunomodulatory Response of Superoxide Dismutase in Juvenile American White Shrimp (Litopenaeus Vannamei) Exposed to Immunostimulants”. Ciencias Marinas, vol. 31, no. 4, Mar. 2005, pp. 661-9, doi:10.7773/cm.v31i4.32.