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. 2019 Jun 18;14:4475–4489. doi: 10.2147/IJN.S208225

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© 2019 Wen et al.

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Viability of HUVECs exposed with NPs from CCK-8 assay. The * indicates significant differences between the control group and the nanoparticles treatment group (*: P<0.05, **: P<0.01).