Polychlorinated biphenyls (PCBs) in sediments and fish from dredged tributaries and creeks of river Ethiope, South-South, Nigeria: sources, risk assessment and bioaccumulation. J. Nig. Soc. Phys. Sci. [Internet]. 2024 Mar. 27 [cited 2024 May 19];6(2):1951. Available from: https://www.journal.nsps.org.ng/index.php/jnsps/article/view/1951