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The reults of histomorphometric analysis.
| Characteristic | Control | PRP | PRP + hAMSCs | PRP + hAMSCs–FGF-2 |
|---|---|---|---|---|
| Fibrocartilage formation | 0 | 0 | 1 | 2 |
| New bone formation | 1 | 2 | 2 | 3 |
| Tendon graft bonding to adjacent tissue | 1 | 2 | 2 | 3 |
PRP = platelet-rich plasma; hAMSCs = human amniotic mesenchymal stem cells; FGF-2 = fibroblast growth factor 2.
