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. 2022 Mar 25;5(2):261–270. doi: 10.20517/cdr.2021.100

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© The Author(s) 2022.

© The Author(s) 2022. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, sharing, adaptation, distribution and reproduction in any medium or format, for any purpose, even commercially, 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.

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Hsa_circ_0020714 may act as a biomarker for resistance to anti-PD-1 immunotherapy in non-small cell lung cancer (NSCLC) patients. (A) Lung adenocarcinoma. (B) Lung squamous cell carcinoma. **P < 0.01.