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. 2021 Apr 20;35:109–116. doi: 10.1016/j.jare.2021.04.006

Fig. 4.

Fig. 4

Immunohistochemical comparison between CON and EXP groups: PI3K/AKT, TGFβ1, and ADAMTS-4 at 4, 8, and 12 weeks. Arrows in EXP group indicate positive expression. Brown to black color indicates positive staining. Scale bar: 50 μm. CON, control; EXP, experimental.