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. 2021 Dec 11;12:185. doi: 10.1186/s13244-021-01132-0

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Comparisons of flow shapes generated by Silent MRA and 2D PC-MRA. The laminar flow shapes of the 13 cerebral arteries of one study participant (33-years-old; man) are similar whether generated by 2D PC-MRA or Silent MRA. The variable R is the correlation coefficient between the phase distribution (in 2D PC-MRA) and signal intensity (in Silent MRA)