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Tissue TGF-β (I), IL-4 (II) and bFGF expression (III), myofibroblast α-SMA expression (IV), and fibroblast telomerase expression (V) in collapsed (A), mural fibrosis (B) and honeycomb (C) areas, 100X. FF, fibroblast foci; MF, mural fibrosis; HC, honeycomb.
