Chapters by Dr. Alaa El-Din Sayed

• Book Chapter Histopathological Alterations in some Body Organs of Adult Clarias gariepinus (Burchell, 1822) Exposed to 4-Nonylphenol
  by Alaa El-Din H. Sayed, Imam A. Mekkawy and Usama M. Mahmoud in the book "Zoology" edited by Maria-Dolores Garcia, ISBN 978-953-51-0360-8, InTech, March 3, 2012