Environmental Impacts of Shewashok Oil Field on Sheep and Cow Meat Using Vital Trace Elements as Contamination Bioindicators. UHD J SCI TECH [Internet]. 2019 Jan. 25 [cited 2026 Nov. 11];3(1):1-8. Available from: https://journals.uhd.edu.iq/index.php/uhdjst/article/view/206