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. 2019 Mar 12;9:143. doi: 10.3389/fonc.2019.00143

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Copyright © 2019 Wang, Deng, Sun, Dong, Zhang, He and Wu.

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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Hazard ratios for breast-conserving surgery compared to mastectomy with regard to breast cancer-specific survival in relation to predefined prognostic factors.