Hanaa H. Abdel-Baky, E. M. Gouda, A. N. El-Behairy and Gamal S. El-Baroty
Journal of Medical Sciences 2 ( 4 ): 185 - 193 , 2002
Hanaa H. Abdel-Baky, M.A. Shallan, Gamal El- Baroty and F. K. El-Baz
Pakistan Journal of Biological Sciences 5 ( 1 ): 61 - 65 , 2002