Al-Barzinji, Rukia M., and Hiwa Abdul -Rahman Ahmed. 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.