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Effects of Gardenia jasminoides water (GJW) and 70% ethanol (GJE) extracts on histopathological changes in the nasal tissue. Immunohistochemical staining of periostin (A) and eosinophil staining (B) (upper left corner, scale bar = 50 μm). Con, non-sensitized; AR, allergic rhinitis; DEX, ovalbumin-sensitized with 1 mg/kg dexamethasone.
