P.E. Anyanwu, B.C. Okoro, A.O. Anyanwu, M.A. Matanmi, B.I. Ebonwu, I.K. Ayaobu-Cookey, M.B. Hamzat, F. Ihimekpen and S.E. Afolabi
Research Journal of Biological Sciences 2 ( 7 ): 780 - 783 , 2007