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. 2018 Feb 23;77(7):973–980. doi: 10.1136/annrheumdis-2017-212404

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© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Depiction of a finite element analysis-derived stress distribution image of a healthy control (HC) and anti-citrullinated protein antibody (ACPA)-negative (RA−) and ACPA-positive (RA+) rheumatoid arthritis (RA). Right and middle column display the right radius of a female patient with RA+ and RA−. Left column shows a gender-comparable and age-comparable HC. For comparison, full µFEA models (bottom) and cut through the radial bone (top) are shown to reveal differences in stress distribution for cortical and trabecular network. Colour map labels the von Mises stress (MPa) for described loading scenario.