. 2016 Apr 18;2016:8145926. doi: 10.1155/2016/8145926
Copyright © 2016 A. H. Alsmman Hassan and N. G.-E. Abd Elhaliem Soliman.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
