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a Macroscopic view of a chondral lesion treated with or without TEC at 6 months post-implantation. Bar = 10 mm. b Macroscopic score of the repair tissue at 6 months. Regardless of skeletal maturity, the TEC group shows significantly higher scores than does the untreated group. *; p < 0.05. Quoted and modified from Shimomura et al., Biomaterials 2010
