J. Asegbeloyin, N. Ukwueze, J. Ihedioha, and U. Oruma, “Levels of Toxic Trace Metals and Mineral Elements in Broiler Chicken Raised at Nsukka, Nigeria: An Evaluation of Possible Potential Health Risk”, ajc, vol. 27, no. 10, pp. 3781–3785, Jun. 2015.