Volume 17, Issue 2, March 2007, Pages 21-24
Nahed I.M.M. Khamis; Zeinab M. Souror; Hanan N. Ibrahim; S. M. Aboul Saoud
Volume 15, Issue 2, March 2005, Pages 232-237
A. M. Daoud; R. A. Diab; S. M. Aboul Saoud; S. M. Zeidan; F. F. Zaki