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Journal of Medical Sciences 4 ( 2 ): 158 - 163 , 2004
N.P. Okolie, R.I. Ozolua and D.E. Osagie
Journal of Medical Sciences 5 ( 1 ): 21 - 25 , 2005
M.E. Ukhun, S.B. Tobi and N.P. Okolie
Journal of Medical Sciences 5 ( 4 ): 260 - 265 , 2005