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. 2018 Nov 23;19(12):3730. doi: 10.3390/ijms19123730

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Representative images of neuronal nitric oxide synthase (nNOS) in the dorsal penile nerve. (A) Red indicates nNOS and green indicates the dorsal penile nerve. Scale bar: 100 μm. Original magnification: ×400; (B) Mean intensity of nNOS for each group; (C) Western blot of phosphorylated endothelial nitric oxide synthase (p-eNOS) and eNOS expression in the corpus cavernosum; (D) Quantitative results of p-eNOS/eNOS in each group. Each bar shows the mean value (standard deviation). * p < 0.05 compared with the diabetes mellitus erectile dysfunction (DM ED) group.