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. 2017 Mar 9;8:63. doi: 10.1186/s13287-017-0500-y

Fig. 9.

Fig. 9

Histopathological evaluation of vascularization. a CD31 IHC staining was used to assess vascularization at 2, 3, and 4 weeks and 3 months after transplantation. Scale bar = 200 μm. b Image analysis was used to quantify the number and diameter of vessels in the two groups at each time point. The number of vessels significantly differed between the two groups at 2 and 3 weeks (*P < 0.05), but the diameter of the vessels was not significantly different. m months, USC urine-derived stem cell, w weeks