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Effect of RRL on pathomorphology of CS and LPS-induced COPD in rats (Masson's trichrome staining). (a) Control group. (b) Model group. (c) RRL 200 mg/kg. (d) RRL 400 mg/kg. (e) RRL 800 mg/kg. (f) Dex 1 mg/kg. (g) Effect of RRL on the degree of fibrosis of CS and LPS-induced COPD in rats (n = 6, ± S); ##P < 0.01 vs. the control group; ∗∗P < 0.01 vs. the model group.
