“Effect of Uses of Probiotic Prepared from Lactobacillus Acidophilus Bacteria As Immunostimulator in Lambs Vaccinated With Brucella Melitensis Rev-1 Vaccine: Yousif. A.A. And Al Umary. A. J. A”. The Iraqi Journal of Veterinary Medicine, vol. 33, no. 1, June 2009, pp. 24-37, https://doi.org/10.30539/iraqijvm.v33i1.711.