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. 2020 Nov 25;31(6):4350–4357. doi: 10.1007/s00330-020-07497-y

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© The Author(s) 2020

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Fig. 3 — Boxplots of mean attenuation in conventional (CI) and virtual non-contrast images (VNC) in healthy patients and patients with mild/moderate and severe anemia. Note that differences between men and women are likely due to limited sample size in combination with outliers. Significant differences are indicated by asterisks (***p ≤ 0.001, n.s.)