Figure 2

Immunohistochemical studies of transforming growth factor (TGF)-β1 (×400, A: Untreated group; B: Shock wave group; C: Control group; D: Quantification of the positivity expression rate of TGF-β1) and CD31 (×400, E: Untreated group; F: Shock wave group; G: Control group; H: Quantification of the number of CD31-positive vessels).