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BA improved the levels of TNF-α, IL-1β, IL-6, IL-8, and IL-10 in the serum of COPD rats. Data were expressed as mean ± SD, n = 6. Compared with the control group, ▲P < 0.05 and ▲▲P < 0.01; compared with the COPD group, ★P < 0.05 and ★★P < 0.01.
