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. 2018 Apr 24;60:25. doi: 10.1186/s13028-018-0379-3

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© The Author(s) 2018

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. 4 — Immunohistochemical findings for α-SMA. a Jejunum. Diffuse low expression within the inner circular layer and the longitudinal layer of tunica muscularis. (arrow) Small vessels appear positive for α-SMA (asterisk). b Colon. Diffuse reduced expression within the tunica muscularis (arrow). c Stomach. Diffuse loss of expression within the tunica muscularis (arrow). Wall of a medium vessel positive for α-SMA (asterisk). d Normal canine duodenum. Diffuse intense α-SMA expression of the tunica muscularis. a–d IHC counterstained with haematoxylin (obj. ×10)