Alagoa KJ. An appraisal of heavy metals in water column and bottom substrate of Aba river, Abia state, Nigeria. GSC Biol. Pharm. Sci. [Internet]. 2019Mar.30 [cited 2024Jul.3];6(3):045-50. Available from: https://gsconlinepress.com/journals/index.php/gscbps/article/view/gscbps-2019-0021