C.O. Anunonwu Christopher, N. Amadi Agwu, O. Nwankwo Benjamin, J.N.B. Nnadozie, C. Oguejiofor Nnaemeka, S. Nwoga Kachi and C. Odom Uchechukwu
Research Journal of Medical Sciences 3 ( 4 ): 137 - 140 , 2009