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. 2021 Apr 9;163(2):274–286. doi: 10.1097/j.pain.0000000000002309

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Copyright © 2021 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the International Association for the Study of Pain.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — CPM score per group (FM, HC) by TSPO polymorphism (HAB, MLAB). Error bars represent the lower and the upper 95% confidence intervals. Squares represent the mean of the data. CPM, conditioned pain modulation; FM, fibromyalgia; HAB, high affinity binders; HC, healthy controls; MLAB, mixed/low affinity binders; TSPO, translocator protein; FM MLAB = 30; FM HAB = 51; HC MLAB = 21; HC HAB = 21.