Table 1.
Classification of groups.
| Group | n | |
|---|---|---|
| 1 | No implant | 4 |
| 2 | PLA cylinder | 8 |
| 3 | PLA cylinder+ collagen I | 8 |
| 4 | PLA cylinder + collagen I + SDF-1 | 8 |
| 5 | PLA cylinder + collagen I + BMP-7 | 8 |
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