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(a) Immunofluorescence images of vessel growth for each treatment regime. Green: CD31; Red: α-smooth muscle actin; Blue: DAPI. Scale bar 50μm (b) Quantification of vessel density at day 7. (c) Quantification of vessel density at day 14. *, p<0.01 vs. control; **, p<0.001 vs. control; #, p<0.05 vs. VEGF.
