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. 2020 Oct 23;10:543646. doi: 10.3389/fonc.2020.543646

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Copyright © 2020 Sun, Liang, Chen, Guo, Liu, Sun, Luo, Tang and Mai

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Kaplan–Meier curves of overall survival according to the application of concurrent chemotherapy (CCT) in 308 de novo metastatic nasopharyngeal carcinoma (NPC) patients treated with locoregional radiotherapy (LRRT).