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. 2015 Oct 14;15:361. doi: 10.1186/s12906-015-0881-3

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© Zhu et al. 2015

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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Trail Flow Chart. The subjects in KI3 group received two acupuncture (sham first and then a true acupuncture) and three fMRI, while subjects in non-acupoint group received only ture acupuncture and two fMRI, so the second acupuncture and third fMRI in KI3 group are showed by dotted line. Red arrow represents needle insertion, blue arrow represents needle withdrawal