Pegylated Interferon- Modulates Liver Concentrations of Activin-A and Its Related Proteins in Normal Wistar Rat

Figure 3

Immunohistochemistry localisation of Smad4 (left column) and Smad7 (right column) in control (a and b), Peg-only (c and d), Peg & RBV (e and f), and RBV-only (g and h) groups (×100 magnification, scale bar = 15 μm).

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