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. 2020 Jul 2;27(2):1073274820936287. doi: 10.1177/1073274820936287

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any 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 3. — Kaplan-Meier curves for brain metastasis progression-free survival ( stratified by biologically effective dose (A) before and (B) after propensity score matching.