Mohamed, Moemen A., and Mohamed S. Abdel Hafez. “The Effect of a Mannanoligosaccharides (Biomos&Reg;) on Necrotic Enteritis Infection in Broiler Chickens”. International Journal of Poultry Science, vol. 10, no. 9, Aug. 2011, pp. 685–690, https://doi.org/10.3923/ijps.2011.685.690.