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General observation and micro CT observation of the knee joints.
Notes: (A–D) General observation. (E–H) Micro CT observation. (A and E) The bioactive resveratrol–PLA–gelatin porous nano-scaffold group. (B and F) The blank porous PLA–gelatin nano-scaffold group. (C and G) The no scaffold group. (D and H) The sham group.
Abbreviation: CT, computed tomography.
