Afonne, Onyenmechi Johnson, Enoluomen Ben Ehigiator, and Ujuamala Ulunma Ezeani. 2017. “Health Risk Potentials of Some Metals Via Consumption of Some Food Crops at Iruekpen, Southern Nigeria”. Toxicology International 24 (2):140-49. https://www.informaticsjournals.com/index.php/toxi/article/view/20405.