Pages 512-518
Ahmed Mohamed Mahmoud; Tarek Abdelsamad Elhewala; Amr Mohamed El-Adawy; Mohamed Abdallah Elsofy
Pages 448-458
Ahmad Ganem; Adel Mohamed Salama; Tarek Abdelsamad Elhewala; Mohammed Khalid Saleh
Pages 459-463
Mohamed Ibrahim Hefni; El-Sayed El-Etewy Soudy; reda Hussein Al-Kady; ehab mohamed shehata