Volume 56, Issue 127, October 2010, Pages 1-10
GHADA M. MOHAMED; LUBNA M. EBRAHEEM; MANAL H. THABT
Volume 53, Issue 113, April 2007, Pages 1-13
A.A. ABDEL-RAHMAN; FATMA A. MOUSTAFA; MANAL H. THABT; NEVEEN A. AHAMD