I.A. Sadek, A.A. Abou-Gabal and M.H. Abdul-Mohsen
Pakistan Journal of Biological Sciences 2 ( 2 ): 541 - 543 , 1999
N.E. Abdelmeguid, I.A. Sadek, J. M. Sorour and A.A. Attia
Pakistan Journal of Biological Sciences 2 ( 4 ): 1135 - 1138 , 1999