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. 2019 Dec 23;9:19703. doi: 10.1038/s41598-019-56145-z

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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The histopathological analysis of the prostate tissues in the testosterone-induced BPH rats after being treated with Pao extract. (a) H&E staining of the sham control, BPH/Veh, BPH/FN and BPH/Pao groups. The sections were photographed by microscope. The scale bars in photos above are 50 μm and in photos below are 20 μm. (b) Quantification of the thickness of epithelial layers; (c) quantification of the fold changes of the lumen areas among four groups. ***p < 0.001.