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IL-4 and IFN-γ levels in mice sera immunized with different formulation of HBsAg. Cytokine values are expressed as means ± SD of three pools. Levels of (a) IL-4 and (b) IFN-γ in mice sera immunized with different formulation of HBsAg. ∗ P < 0.05, ∗∗ P < 0.01, and ∗∗∗ P < 0.001 compared to control group.
