N. Abdelmeguid, A. M. Kheirallah, Abou- Shabana, K. Adham and A. Abdel-Moneim
Journal of Biological Sciences 2 ( 4 ): 224 - 229 , 2002
K. G. Adham
Pakistan Journal of Biological Sciences 4 ( 12 ): 1550 - 1558 , 2001