Heba Sayed Assal, Mohamed Fath-Allah and Ashraf Elsherbiny
Journal of Medical Sciences 7 ( 5 ): 865 - 869 , 2007
Wafaa M. Ezzat, Hala M. Raslan, Ashraf Elsherbiny, Mohamed Mokhles, Mohamed Mahmoud Ahmed, Nagwa Abd El-Ghaffar and Enas Abdel Rasheed
Journal of Medical Sciences 7 ( 5 ): 748 - 754 , 2007
Ashraf Elsherbiny, Heba Sayed Assal, Mohamed Abd Elmabood and Emad A. A. Hussein
Journal of Medical Sciences 6 ( 2 ): 164 - 168 , 2006