Fig. 4

The contents of IL-4⁺ T cells and IFN-γ⁺ T cells. a Numbers in outlined areas indicate the percent of spleen IFN-γ⁺ T cells in each group. b Numbers in outlined areas indicate percent of spleen IL-4⁺ T cells in each group. NS, not significant. *P < 0.05, **P < 0.01, ***P < 0.001 and ****P < 0.0001