“The Effect of Licorice Roots Powder on Experimental Infection of Infectious Bursal Disease in Broiler Chickens: A.K.Kassab and Muhannad.F.Humood”. The Iraqi Journal of Veterinary Medicine, vol. 30, no. 2, Dec. 2006, pp. 65-78, https://doi.org/10.30539/iraqijvm.v30i2.818.