Volume 11, Issue 1, June 2002, Pages 71-80
El-Sayed El-Awady; Sawsan Zaiton; Yasser Moustafa; Soad Abou-El-Ela
Volume 10, Issue 2, December 2001, Pages 11-17
Mohamed Hassan; Mona El-Azab; EI-Sayed El-Awady; Soad Abou-El-Ela