Fig 2

Immunohistochemistry localisation of TGF-β1 (left column), TGF-β type 2 receptor (middle column) and smad4 (right column) in control (a, f & k), AOM (b, g & l), 5-FU (c, h & m), VitD (d, i & n) and 5-FU/D (e, j & o) groups. (×200 magnification, scale bar = 8 μm)