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Automatic assessment of total number of vessels per cross section. At 6 weeks there were significantly more vessels detectable in group A compared with group B. After 12 weeks group C displayed a significantly (*) decreased total vessel number per cross section compared with groups A and B after 12 weeks. There was also a significant decrease of the total vessel count detectable in group C between the 6 and 12 weeks explantation time point (p<0.05).
