POLYCHLORINATED BIPHENYLS IN FISH (HETEROTIS NILOTICUS) IN IGBOKODA RIVER, ONDO STATE NIGERIA. FJS [Internet]. 2024 Dec. 31 [cited 2025 Sep. 11];8(6):114-9. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/2879