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Journal of Applied Sciences 6 ( 4 ): 939 - 942 , 2006
A.I. Shugaba, M.B.T. Umar and S.P. Singh
Journal of Medical Sciences 6 ( 3 ): 445 - 451 , 2006
Research Journal of Applied Sciences 5 ( 6 ): 412 - 416 , 2010
M.B.T. Umar, A.S. Ojo, S.A. Asala and J.O. Hambolu
Research Journal of Medical Sciences 5 ( 2 ): 83 - 89 , 2011