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. 2023 May 20;9(3):295–307. doi: 10.1007/s41030-023-00226-y

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Open AccessThis article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, which permits any non-commercial 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by-nc/4.0/.

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Fig. 1 — Process of post-COVID pulmonary fibrosis and risk factors. ACE-2 angiotensin-converting enzyme, DAMP damage-associated molecular patterns, ANG II angiotensin II, EGF epidermal growth factor, PDGF platelet derived growth factor, TGF-β tumor growth factor β