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Gross scores (A) and Mankin scores (B).
Notes: *Group A vs groups B, C, and D. #Group B vs groups C and D. ^Group C vs group D. **,##,^^P<0.01. *,#P<0.05. Group A: the bioactive resveratrol–PLA–gelatin porous nano-scaffold group. Group B: the blank porous PLA–gelatin nano-scaffold group. Group C: the no scaffold group. Group D: the sham group.
