Al-Barzinji, R. M., and H. A. .-R. Ahmed. “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), vol. 13, no. 2, Aug. 2009, pp. 50-56, doi:10.15218/zjms.2009.019.