Open access peer-reviewed chapter
By Hasan A. Abd El-Ghaffar, Sameh Shamaa, Nadia Attwan, Tarek E. Selim, Nashwa K. Abosamra, Dalia Salem, Sherin M. Abd El-Aziz and Layla M. Tharwat
Submitted: May 7th 2011Reviewed: October 5th 2011Published: March 2nd 2012
© 2012 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution 3.0 License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
3531total chapter downloads
Login to your personal dashboard for more detailed statistics on your publications.Access personal reporting
We are IntechOpen, the world's leading publisher of Open Access books. Built by scientists, for scientists. Our readership spans scientists, professors, researchers, librarians, and students, as well as business professionals. We share our knowledge and peer-reveiwed research papers with libraries, scientific and engineering societies, and also work with corporate R&D departments and government entities.More About Us