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. 2012 Sep 21;7(9):e45493. doi: 10.1371/journal.pone.0045493

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© 2012 Weng et al

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

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A. Results of the meta-analysis on overall survival at 3 years. B. Results of the meta-analysis on overall survival at 5 years. C. Results of the meta-analysis on disease-free survival at 3 years. D. Results of the meta-analysis on disease-free survival at 5 years. E. Results of the meta-analysis on overall survival hazard ratio. F. Results of the meta-analysis on disease-free survival hazard ratio.