Abd-Alrazaak, Assif H. 2011. “Study the Effect of Some Immunological Aspects on Newzealand Rabbits Drenched With Different Concentrations of Copper Sulfate and Zinc”. Kufa Journal for Veterinary Medical Sciences 2 (1): 47-53. https://doi.org/10.36326/kjvs/2011/v2i14036.