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. 2016 Dec 12;8(1):41–56. doi: 10.1007/s13239-016-0288-4

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© The Author(s) 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Mean surface roughness (Ra) of the proximal, middle and distal LAD coronary artery. Black diamonds for Ra _L and white diamonds for (a) Ra _CU and (b) Ra _C. Error bars represent 95% confidence intervals where n = 8.

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