“Effect of of Levamisole as immunostimulatoron the humoral and cellular immune response in sheep vaccinated with Brucella melitensis Rev-1 vaccine: Yousif, A, A ; Talal A.K andAl- saigh,M,N” (2008) The Iraqi Journal of Veterinary Medicine, 32(2), pp. 120–136. doi:10.30539/iraqijvm.v32i2.745.