Volume 32, Issue 1, June 2012, Pages 173-189
Adel Zalata; Hussein Abdalla; Mohamed Serria; Amal Aziz; Sahar El-Dakroory; Amal El-Bakary
Volume 26, Issue 1, June 2006, Pages 33-46
Adel Zalata; Sohier Yahia; Amal El-Bakary