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. 2016 Aug 30;11(1):38. doi: 10.1186/s13020-016-0110-0

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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. 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. 13 — Effects of acupuncture on collagen content. Collagen was stained in red by the Van Gieson’s stain. The total collagen and fraction of collagen were lower in the WKY control. Acupuncture did not affect the collagen content. Data were expressed as means ± SD (*P < 0.001 for the WKY control vs. all other groups)