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. 2020 Mar;9(3):1536–1546. doi: 10.21037/tcr.2020.01.47

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2020 Translational Cancer Research. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0/.

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Forest plot of the hazard ratio of progression-free survival (PFS) between anti-angiogenesis treatments and control group. The fixed-effects model was used in the analysis. HR, hazard ratio; CI, confidence interval.