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. 2014 Dec 15;9(Suppl 2):109–126. doi: 10.2147/IJN.S57928

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© 2014 Kim 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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Growth curves for (A) male and (B) female rats administered ZnO^AE100(−) by gavage for 90 days.^a

Notes: ^aZnO^AE100(−) was orally administered to Sprague Dawley rats at doses of 31.25 mg/kg, 125 mg/kg, and 500 mg/kg for 90 days. The results are presented as mean ± standard deviation.

Abbreviations: G1, negative control; G2, vehicle control, G3, 31.25 mg/kg treatment group; G4, 125 mg/kg treatment group; G5, 500 mg/kg treatment group; ZnO, zinc oxide; ZnO^AE100(−), 100 nm negatively charged ZnO.