“Comparative Anatomical and Histological Study of Gall Bladder in Mallard (Anas Platyrhynchos) and Broiler Fowl (Gallus Gallus )”. University of Thi-Qar Journal of agricultural research 12, no. 2 (October 1, 2023): 15–25. Accessed September 8, 2024. https://jam.utq.edu.iq/index.php/main/article/view/254.