Volume 41, Issue 2, December 2013, Pages 173-185
Khairy Abada; Mostafa Mansour; Mona Abdel-Galil; Karam Abdul-Kareem
Volume 39, Issue 2, December 2011, Pages 123-132
Emad A.M. Gado; Karima G. Helmy
Volume 37, Issue 1, June 2009, Pages 1-8
Ahmed M.A. Ashour