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. 2015 Aug 20;5:13419. doi: 10.1038/srep13419

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(A) two weeks after bleomycin injection, total TGF-β (ELISA) increased with more in the intact lung (BL, n = 6; NS, n = 5) and so TGF-β activity (Western blot) (B, n = 8). (C) three weeks after bleomycin injection, IL-4 (Western blot) increased with more in the intact lung (BL, n = 4; NS, n = 5). (D) representative Western blots for TGF-β and IL-4. *P < 0.05; **P < 0.01; ***P < 0.001.