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. 2022 Jan 31;37(6):1132–1139. doi: 10.1093/ndt/gfac018

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© The Author(s) 2022. Published by Oxford University Press on behalf of the ERA.

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FIGURE 1: — Scatter plot of anti-SARS-CoV-2-S-Ab levels and mean at the examined time points. The dotted lines represent the corresponding cut-offs of the surrogate virus neutralization test. 30% inhibition (INH), manufacturer's cut-off for positivity; 70% inhibition (INH), cut-off correlating with PRNT positivity (titre ≥1:20).