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. 2021 May 11;14:1797–1809. doi: 10.2147/IJGM.S293998

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© 2021 Li et al.

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Kaplan–Meier curve of progression-free survival for HER2+ patients stratified by HI.

Abbreviations: HER2, human epidermal growth factor receptor 2; HI, heterogeneity index.