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Journal of Biological Sciences 7 ( 3 ): 575 - 578 , 2007
A.O. Aderibigbe, E.O. Iwalewa, S.K. Adesina, A.O. Adebanjo and O.E. Ukponmwan
Journal of Biological Sciences 7 ( 8 ): 1520 - 1524 , 2007