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Measurement of the CD31 and VEGF at POD 7 and POD 56. Number of the CD31 and VEGF positive cell count/HPF are significantly a higher in Group 2 than that of other groups at both POD 7 and POD 56. Group 3, 4 have a higher count of the CD31 and VEGF positive cell count than Group 1 at POD 56; *,†P < 0.05. VEGF, vascular endothelial growth factor; HPF, high power field.
