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. 2017 Jul 21;10:3625–3634. doi: 10.2147/OTT.S138044

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© 2017 Dai et al. This work is published and licensed by Dove Medical Press Limited

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Forest plot of HR for the association of PD-L1 overexpression and RFS.

Note: Weights are from random-effects analysis.

Abbreviations: CI, confidence interval; HR, hazard ratio; RFS, recurrence-free survival.