2016. 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. 40, 1 (Jun. 2016), 30–37. DOI:https://doi.org/10.30539/iraqijvm.v40i1.135.