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. 2014 Apr 24;22(1):39. doi: 10.1186/2008-2231-22-39

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Copyright © 2014 Kabiri 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 credited. 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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HOMA-IR index (mmol/L × uU/ml) in normal rats (n = 5), PCO induced rats (n = 5) and treated rats with metformin and pioglitazone (n = 5). Rats with PCO showed insulin resistance compared with normal rats, while treatment of those with metformin and pioglitazone attenuate insulin resistance in relation to PCO untreated rats. Data were presented as the mean ± SD. Different letters denote differences among groups at P < 0.05.