Wafaa M. Haggag
Journal of Biological Sciences 2 ( 6 ): 403 - 407 , 2002
Wafaa M. Haggag and A.W. Amin
Pakistan Journal of Biological Sciences 4 ( 6 ): 679 - 683 , 2001
Wafaa M. Haggag and Nadia G. El-Gamal
Pakistan Journal of Biological Sciences 4 ( 10 ): 1244 - 1250 , 2001