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CK19 and vimentin immunostaining are increased in rapid compared with slow fibrosers. Representative F0 biopsies (×200) from a slow (A,C) and rapid (B,D) fibroser, immunostained for CK19 (A,B) and vimentin (C,D) expression. CK19 staining was scored as 0 (A) through 3 (B); vimentin was scored as 0 (C) or 1 (D).
