G-Verduzco, Gabriela V., et al. “Presence of Interferon-Gamma and IL-2 in Supernatants of Salmonella Enteritidis-Immune Lymphokines”. International Journal of Poultry Science, vol. 8, no. 9, Aug. 2009, pp. 820–823, https://doi.org/10.3923/ijps.2009.820.823.