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Levels of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in plasma (n = 6) and bronchoalveolar lavage fluid (BALF) (n = 8). (a) IL-6 in plasma. (b) TNF-α in plasma. (c) IL-6 in BALF. (d) TNF-α in BALF. Data are expressed as mean ± SD. *P < 0.01, versus sham group; # P < 0.01, versus CLP group.
