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. 2020 Apr 22;15:2751–2764. doi: 10.2147/IJN.S238536

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© 2020 Hu et al.

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In vitro cytotoxicity of blank conjugates (A), and free DOX and DOX-loaded complexes (B) against HepG2 cells after treatment for 48 h. Data are presented as mean ± SD (n = 3, *P <0.05, ***P<0.001).