Figure 6.

Histological images at the 29th week. a. (A) Normal knee, (B) Chondral defect, (C) Defects treated with BMS, (D) Defect treated with autologous MSCs. (defect region s represented by ▼). b. Different images of histological staining (Saf-O and H&E) from the edge to the central lesion (1 to 5).

Nam et al. Arthritis Research & Therapy 2013 15:R129   doi:10.1186/ar4309
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