Volume 38, Issue 1, January 2010, Pages 59-81
Hanaa H. Elsayed; Sahar Khairy; Mohamed K Abd El- Rahman; Effat A. Afifi
Volume 29, Issue 1, October 2007, Pages 604-615
Asmaa M AbdAllah; Shawkia S. A. El-Sherbeny; Sahar Khairy