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. 2014 Feb 25;9:1127–1138. doi: 10.2147/IJN.S56756

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© 2014 Hu et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Distribution of plasminogen activator inhibitor 1 (PAI-1), substance P (SP), and substance P receptor (SP-R) in the endometrium of rats. At the 90th day after insertion, the tissues obtained from endometrium were examined by immunohistochemistry. (A) PAI-1 of the sham-operated control group. (B) PAI-1 of the nano-copper (Cu)/low-density polyethylene (LDPE) group I. (C) PAI-1 of the Cu group. (D) SP of the nano-Cu/LDPE group I. (E) SP of the Cu group. (F) SP-R of the nano-Cu/LDPE group I. (G) SP-R of the Cu group.