Fig 4
Mean ± SD of tissue homogenate concentrations of (a) TGF-β1, (b) HSP-90 and (c) COX-2 in the different study groups. (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)