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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
Journal of Medical Sciences 7 ( 5 ): 825 - 829 , 2007
Mohamed Ragab, Khaled Mahmoud and Amany Ragab
Journal of Medical Sciences 7 ( 7 ): 1112 - 1116 , 2007