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Effect of DHM on AHR. AHR in the mice treated with increasing concentrations of methacholine (0–40 mg/ml) was measured using whole-body plethysmography 24 h following the final OVA challenge. Penh values are expressed as mean ± standard deviation (n=5). *P<0.05 and **P<0.01, vs. OVA. DHM, dihydromyricetin; OVA, ovalbumin; Dex, dexamethasone; AHR, airway hyperresponsiveness.
