Alneelain Medical Research Center, Faculty of Medicine Department of Microbiology and Unit of Immunology,
Al-Neelain University, Khartoum, Sudan
Alneelain Medical Research Center, Faculty of Medicine Department of Microbiology and Unit of Immunology,
Al-Neelain University, Khartoum, Sudan
Copyright © 2013 Elham O. Mahgoub, Ahmed Bolad et al. 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.