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. 2019 Oct 4;13:1062. doi: 10.3389/fnins.2019.01062

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Copyright © 2019 Lee, Eun, Kim, Lee and Park.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Experimental paradigm. (A) fMRI scanning protocol: 6-min resting state (REST) and continuous pain (LBEpre and LBEpost) runs with real (REAL) and phantom (PHNT) acupuncture stimulation. Pain model-induced low back pain (LBEpain) was recorded at the end of the scan. (B) Low back extension (LBE) pain model used in continuous pain runs.