Mohammad S. Al-Haggar, Ahmad A. Settin, Mohamed Ragab, May Al- Shahat, Hisham Abdel-Hadi, El-Shahat Toson, Mona A. Samy, Rabab Abu Al-Kasem, Soheir Yahya and Zakaria Al-Morsy
Journal of Medical Sciences 6 ( 6 ): 906 - 914 , 2006
Mahmoud M. Nour El-Dein, Amira A. El-Fallal, EL-Shahat A. Toson and Faten E. Hereher
Pakistan Journal of Biological Sciences 7 ( 6 ): 1078 - 1084 , 2004