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. 2012 Mar 27;12:23. doi: 10.1186/1472-6882-12-23

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Copyright ©2012 Plengsuriyakarn et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Peripheral analgesic activity (represented by mean ± SEM) number of writhing and stretching in writhing test) of CUR compound and extracts of ZO, AL, PC, and PPF at various dose levels, in comparison with untreated control and aspirin (reference control). Statistically significant difference by ANOVA, followed by post hoc scheffe test: CUR-treated group at low dose level vs. control group (p < 0.01). CUR-treated group at medium dose level vs. control group (p < 0.001). CUR-treated group at high dose level vs. control group (p < 0.001). Aspirin-treated group vs. control group (p < 0.001).