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Figure 4 (A) Representative Western blot photographs showing gradual decrease of vascular endothelial growth factor (VEGF) in the control group and re-increase of VEGF expression by US/MB treatment. (B) Such an effect was seen only in the US/MB group. (n = 18 for baseline, n = 3 to 6 for each subsequent column.) *p < 0.01 vs. the other groups. Abbreviations as in Figure 2.