Zaid, Nazih Wayes. “Metachromasia in the Exfoliated Vaginal Cells of Awassi Ewes”. Kufa Journal for Veterinary Medical Sciences 2, no. 1 (June 30, 2011): 114–120. Accessed May 10, 2026. https://journal.uokufa.edu.iq/index.php/kjvs/article/view/4028.