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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. 5 — Relation between mean attenuation in Hounsfield units (HU) within the left ventricle and the descending aorta in virtual non-contrast (VNC) images and serum hemoglobin levels in g/dl (HbS). 95% confidence of the estimation equation is shown indicated in light blue