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. 2018 Apr 11;13(4):e0195604. doi: 10.1371/journal.pone.0195604

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© 2018 Li et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 3 — (A) Results were expressed as an isometric tension in endothelium-intact rat aortas. (B) Results were expressed as an isometric tension endothelium-denuded in rat aortas. (C) Relaxation responses to ACh expressed as a percentage of PE-induced pre-contraction. (D) Relaxation responses to SNP expressed as a percentage of PE-induced pre-contraction. Values were the mean ± SE. * p < 0.05, CIH group vs Normoxia group; ^# p < 0.05, CIH + Fa group vs CIH group (n = 6 for each group).