Fig 5
Relative concentration of messenger RNA expression of (a) Wnt, (b) β-catenin, (c) DKK-1 and (d) COX-2. (a = P < 0.05 compared with control group; b = P < 0.05 compared with AOM group; c = P < 0.05 compared with 5-FU group and d = P < 0.05 compared with VitD group)