M.A. Alabi, R.M. Sunday, T. Olowokere, F.A. Kareem and F. Osanaiye
Journal of Medical Sciences 13 ( 1 ): 62 - 66 , 2013
M.A. Alabi, S. Issa and R.B. Afolayan
Journal of Modern Mathematics and Statistics 7 ( 4 ): 47 - 54 , 2013