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. 2019 Mar 5;18:1534735419827079. doi: 10.1177/1534735419827079

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© The Author(s) 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Kaplan-Meier curves of OS in patients with advanced lung adenocarcinoma treated with first-line EGFR-TKIs according to TCM usage during the follow-up period from the study cohort (A) and matched cohort (B) and PFS in patients with advanced lung adenocarcinoma treated with first-line EGFR-TKIs according to TCM usage during the follow-up period from the study cohort (C) and the matched cohort (D). Abbreviations: EGFR, epidermal growth factor receptor; OS, overall survival; PFS, progression-free survival; TCM, traditional Chinese medicine; TKI, tyrosine kinase inhibitor.