K.J. Umar, L.G. Hassan, S.M. Dangoggo, M. Inuwa and M.N. Almustapha
International Journal of Biological Chemistry 1 ( 4 ): 250 - 255 , 2007
K.J. Umar, L.G. Hassan, S.M. Dangoggo and M.J. Ladan
Journal of Applied Sciences 7 ( 6 ): 803 - 809 , 2007