“Histopathological Changes in Some Tissues of Tigris River Fishes, Exposed to Petroleum Hydrocarbons, Baghdad City: Nahla Taleb Mansoor1, Enam Bader Faleh2, Lauya Mohamad Abas1, Kasim Rethaw Asmer1 and Mustafa Jawad Jalil1”. The Iraqi Journal of Veterinary Medicine, vol. 40, no. 1, June 2016, pp. 30-37, https://doi.org/10.30539/iraqijvm.v40i1.135.