Volume 8, Issue 2, December 1999, Pages 7-12
Magda Ayad; Hisham Abdellatef; Elham Taha; Suzan Soliman
Volume 8, Issue 2, December 1999, Pages 13-17
Suzan Soliman; Sobhy El-Adl; Kamel Metwally; Mansour Abou-Kull