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3D bioprinting tissue-engineered scaffolds.
| Group | Bio-ink | Number of nozzles |
|---|---|---|
| G | 5 wt% GelMA | One |
| GB | 5 wt% GelMA-BMSC | One |
| G-3PR | 5 wt% GelMA +10 wt% 3P-RAOEC bio-ink | Two |
| GB-3PR | 5 wt% GelMA-BMSC + 10 wt% 3P-RAOEC bio-ink | Two |
| G-R | 5 wt% GelMA + RAOEC suspension | One |
| GB-R | 5 wt% GelMA-BMSC + RAOEC suspension | One |
