Volume 20, Issue 1, March 2010, Pages 149-153
Samia I. Afifi
Volume 20, Issue 1, March 2010, Pages 243-246
Magda F. Essa
Volume 20, Issue 1, March 2010, Pages 364-373
A. M. El-Sherif; S. S. Samir; R. A. Azam; Sherin R. Roby
Volume 16, Issue 1, March 2006, Pages 27-31
S. M. Tamam