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. 2017 Dec 23;9(14):11805–11815. doi: 10.18632/oncotarget.23668

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Copyright: © 2018 Mello et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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(A–D) Individual study hazard ratios with pooled estimation for progression-free survival for gefitinib, erlotinib, and afatinib. ORR, overall response rate; PFS, progression-free-survival; OS, overall survival.