J. Asegbeloyin, A. Onyimonyi, O. Ujam, N. Ukwueze, and P. Ukoha, “Assessment of Toxic Trace Metals in Selected Fish Species and Parts of Domestic Animals”, Pak. J. Nutr., vol. 9, no. 3, pp. 213–215, Feb. 2010, doi: 10.3923/pjn.2010.213.215.