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. 2020 Aug 12;19:1534735420943280. doi: 10.1177/1534735420943280

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://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 1. — Study population flowchart. A total of 1,988 patients with MM were newly diagnosed from 2002 to 2012. After 1:1 propensity score matching by sex, age, and index date, 156 patients were included in the CHM cohort and non-CHM cohorts, respectively. Abbreviations: MM, multiple myeloma; CHM, Chinese herbal medicine.