Volume 55, Issue 122, July 2009, Pages 1-12
S.M. ABD-ALLAH; A. GOMAA; E.M.M. ABD-EL-GAWAD; E.M. EL-NAHAS
Volume 53, Issue 114, July 2007, Pages 1-18
AMAL M. EL-NAHLA; A.S. ABDOON; S.M.M. ABUZEAD; HEBA M.A. ABD EL-RAZIK
Volume 51, Issue 105, April 2005, Pages 1-10
A.M. OSMAN; S.H. SHEHATA