Fig. 5
Macroscopic assessment of repaired cartilage. A–F Photographs of rabbit knee articular defects 8 and 12 weeks after cell injection. Black dotted circles indicate the original defect margin. G, H ICRS macroscopic scores of repaired cartilage at 8 and 12 weeks. Data are presented as mean ± SD (n = 6, **P < 0.01, ****P < 0.0001)