“?RELATIONSHIPS BETWEEN HEAVY METAL CONTENT AND BODY WEIGHT OF SELECTED FRESHWATER FISH SPECIES OF THE LOWER IKPOBA RIVER IN BENIN CITY, NIGERIA”. Biological Sciences - PJSIR 46, no. 4 (August 25, 2003): 246–250. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1644.