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. 2018 Mar 8;91(1085):20170793. doi: 10.1259/bjr.20170793

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© 2018 The Authors. Published by the British Institute of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License https://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

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Figure 4. — Contrast recovery for the six spheres in the NEMA IEC Body Phantom. The plotted data are mean values from three repeated acquisitions. The error bars on each data point represent standard errors on the mean. In almost all cases, contrast recoveries for no motion are not significantly different from those for motion with respiratory gating (data-driven (DDG) or externally driven (RPM)). Application of motion without gating led to significantly lower contrast recoveries (all p < 0.05). DDG, data-driven gating; RPM, Real-time Position Management system.