Volume 55, Issue 121, April 2009, Pages 1-7
HALA F. HASSAN; SHIREEN M. NOSEIR; HANAA M. SOULTAN
Volume 52, Issue 110, July 2006, Pages 44-54
WAFAA S. MOHAMED; HALA F. HASSAN; MAHA M. MOHAMED
Volume 52, Issue 109, April 2006, Pages 61-69
HALA F. HASSAN
Volume 52, Issue 108, January 2006, Pages 109-127
HALA S. IBRAHIM; HALA F. HASSAN