“Morpho-Histological Comparative Study of the Liver in White-Eared Bulbul (Pycnonotus leucotis), Mallard Duck (Anas platyrhynchos), and Gull (Larus Canus)”. The Iraqi Journal of Veterinary Medicine, vol. 41, no. 2, Feb. 2018, pp. 94-99, https://doi.org/10.30539/iraqijvm.v41i2.56.