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. 2017 Sep 11;24:72. doi: 10.1186/s12929-017-0366-4

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© The Author(s). 2017

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. 1 — Effect of NOS inhibitors on NOS isoforms in young (a) and adult (b) Wistar rats. Expression of both genes was normalized on “housekeeping gene” GAPDH in brain stem. Data represent mean ± std. dev. *P < 0.05, L-NAME or 7-NI versus control. 7-NI (7-nitroindazole), L-NAME (N^G – nitro – L – arginine - methyl esther), GAPDH (glyceraldehyde-3-phosphate dehydrogenase), eNOS (endothelial NOS), nNOS (neuronal NOS)