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. 2018 Oct 19;16(6):5178–5184. doi: 10.3892/etm.2018.6880

Figure 2.

Figure 2.

Frequencies of sneezing and nose scratching within 10 min after the last ovalbumin challenge in mice. Data are presented as the mean ± standard error of the mean. *P<0.001 vs. the control group, vs. the control + H2 group, and vs the control + He group; #P<0.05 vs. the AR group. H2, hydrogen gas; He, helium gas; AR, allergic rhinitis.