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

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Copyright: © Fang et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 3. — Effect of hydrogen inhalation on nasal mucosa inflammation. Representative sections of the nasal tissues (original magnification, ×400) after hematoxylin and eosin staining. (A) The control group. (B) The AR group. (C) The control + H2 group. (D) The AR + H2 group. (E) The control + He group. (F) The AR + He group. Yellow arrows indicate eosinophils; black arrows indicate lymphocytes. H2, hydrogen gas; He, helium gas; AR, allergic rhinitis.