Asegbeloyin, J.N., et al. “Levels of Toxic Trace Metals and Mineral Elements in Broiler Chicken Raised at Nsukka, Nigeria: An Evaluation of Possible Potential Health Risk”. Asian Journal of Chemistry, vol. 27, no. 10, June 2015, pp. 3781-5, doi:10.14233/ajchem.2015.18977.