Volume 59, Issue 136, January 2013, Pages 55-59
TAGHREED A. HAFEZ; HANAN A. EL- GHAYATY; AMAL A. MEGAHED
Volume 55, Issue 120, January 2009, Pages 1-14
NASHWA M. HASSAN; ISIS G. ANTOWN; MAHA M.M. MOHAMED
Volume 52, Issue 110, July 2006, Pages 88-95
AZZA A. EL-TABIY
Volume 39.1, Issue 77, April 1998, Pages 192-200
D.A. Salem