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International Journal of Tropical Medicine 2 ( 3 ): 89 - 92 , 2007
S.S. Taiwo, B.A. Oyekanmi, Y.O. Adesiji, O.O. Opaleye and O.A. Adeyeba
International Journal of Tropical Medicine 2 ( 4 ): 113 - 117 , 2007