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. 2023 Sep 9;13:14895. doi: 10.1038/s41598-023-41969-7

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© The Author(s) 2023

Open Access This 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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Experimental set up. A cardiac motion phantom was scanned with a dual-source photon-counting CT (A). The phantom included rods mimicking coronary stenoses of different materials (B) and extents (C) represented in a cross section through the center of the rod. Orange regions correspond to the stenosis while the yellow region corresponds to outer vessel walls.