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Immunohistochemical staining for URG11 (A and D) and HBxAg (B and E) in liver sections from a Chinese (A–C) and a South African (D–F) patient with HCC. Consecutive sections were also stained with preimmune serum in place of primary antibody (C and F) (original magnification, x 100). URG11 staining in uninfected liver (G) and at higher power of infected liver adjacent to tumor (H) (original magnification of G and H, x 200).
