B. B. Ajayi1, H. A. Nggada2 and A. E. Moses3*
1Department of Immunology, University of Maiduguri Teaching Hospital P. M. B.1414 Maiduguri, Nigeria.
2Department of Histopathology, University of Maiduguri Teaching Hospital P. M. B.1414 Maiduguri, Nigeria.
3Department of Immunology, University of Maiduguri Teaching Hospital P. M. B.1414 Maiduguri, Nigeria.
