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Effects of NM and anti-TNF-α antibody on lung histology. Tissue sections, prepared 28 d after administration of PBS control (CTL) (n = 6), NM (n = 6), or NM followed by anti-TNF-α antibody (n = 8) to rats, were stained with H&E. (A) Original magnification, 4×. (B) Original magnification, 100×. Representative sections are shown.
