Al-Barzinji, R. M., & Ahmed, H. A. .-R. (2009). Estimation of T-helper 1 Cytokines (IFN-y and TL-2) in HBV Infected patients and Individuals vaccinated with Recombinant HB Vaccine. Zanco Journal of Medical Sciences (Zanco J Med Sci), 13(2), 50–56. https://doi.org/10.15218/zjms.2009.019