Kareem Mohammed A. Biodegradation and Bioaccumulation Rate of PCBs in Cows. J. eng. sustain. dev. [Internet]. 2012 Sep. 1 [cited 2025 Apr. 20];16(3):411-20. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1290