B.O. Oboirien, B. Amigun, T.V. Ojumu, O.A. Ogunkunle, O.A. Adetunji, E. Betiku and B.O. Solomon
Biotechnology 4 ( 1 ): 56 - 61 , 2005
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K. Ebisike, O.O. Ayejuyo, J.A. Sonibare, O.A. Ogunkunle and T.V. Ojumu
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