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. 2022 Apr 25;8:226. doi: 10.1038/s41420-022-00971-0

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — A H&E staining of femoral head tissues in rats; B immunohistochemistry of collagen I expression in femoral head tissues in rats; C SOX5 and EZH2 mRNA expression in rat femoral head tissues determined by RT-qPCR; D angiography of the vascular system in the femoral head tissues in rats by microfiber perfusion; E VEGF expression in the femoral head tissues in rats determined with immunohistochemistry. n = 6. *p < 0.05.