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. 2021 Jan 8;16:201–211. doi: 10.2147/IJN.S271461

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© 2021 Deng et al.

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(A) SD rats hepatic T₁-T₂ dual-mode imaging before and after intravenous injection of 4-nm SPIO@PEG5k or 8-nm SPIO@PEG5k; (B) NSI in liver parenchyma on T₁WI; (C) NSI in liver parenchyma on T₂WI.