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. 2020 May 18;16:1744806920926426. doi: 10.1177/1744806920926426

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© The Author(s) 2020

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Figure 6. — The involvement of CXCL12 and CXCR4 in affected skin. (a)–(d) The involvement of CXCR4 in nerve fiber in affected skin in ACD. Arrow indicated CXCR4⁺(green) or nerve fiber (red). Scale bar: 50 µm. (e) High magnification of CXCR4⁺ focusing on the affected skin. Scale bar: 25 µm.