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International Journal of Biological Chemistry 1 ( 3 ): 168 - 173 , 2007
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Journal of Applied Sciences 7 ( 23 ): 3696 - 3704 , 2007
R.A. Umar, S.W. Hassan, M.J. Ladan, M. Nma Jiya, I.K. Matazu, M.K. Abubakar, U. Nata`ala and K. Abdullahi
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