Volume 22, Issue 1, January 2014, Pages 50-55
Safaa George; Heba Yassa; Wassem Gerges
Volume 20, Issue 1, January 2013, Pages 135-145
Hala Fathy; Heba Yassa; Doaa Almaz; Rabab Mohamed
Volume 19, Issue 2, June 2012, Pages 145-153
Heba Yassa; Safaa George; Nady Abd Eldaim; Fahd Mohammed