Mohammed, Ahmed Jassim, and Qassim Haleem Kshash. “Comparative Study of Serum Copper Concentration in Natural Copper Deficient and Healthy Awassi Sheep in Al-Najaf city\Iraq”. Kufa Journal for Veterinary Medical Sciences 6, no. 2 (December 31, 2015): 8–16. Accessed May 8, 2026. https://journal.uokufa.edu.iq/index.php/kjvs/article/view/4000.