I.O. Igwenyi, C.E. Offor, P.M. Aja, G.S. Aloh, O.U. Orji and C.A. Afiukwa
Asian Journal of Biochemistry 6 ( 6 ): 450 - 457 , 2011
K.N. Agbafor, P.M. Ajah, C.E. Offor, I.O. Igwenyi and U.A. Ibiam
Research Journal of Environmental Toxicology 5 ( 3 ): 229 - 234 , 2011