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. 2023 Mar 23;11:1129187. doi: 10.3389/fbioe.2023.1129187

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Copyright © 2023 Pan, Xu, Zheng, Wang, Chen, Fu, Liu, Chen, Xue, Zhou and Liu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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AT-EVs promoted chronic wound healing in diabetic mice (A) Representative photographs of mouse wounds at days 0, 7, and 14. Scale bar = 1 mm. (B) Statistical analysis of the wound area (n = 6). (C) H&E and Masson staining of wound tissue sections, observed under a light microscope. Scale bar = 500 μm (top), 150 μm (middle), 100 μm (bottom).