Volume 32, APRIL- JUNE, June 2011, Pages 255-266
Ismail H. A.; I. Morsy; B.A. Zamil; N.I. Talha
Volume 28, OCTOBER- DECEMBER, October 2007, Pages 183-191
Ragab M.M.; A.S. Antar; N.I. Talha; M. I. El-Shahawy