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. 2015 May 5;10(5):e0125952. doi: 10.1371/journal.pone.0125952

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© 2015 Feng 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 properly credited.

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Fig 4 — ^a Significantly different from normal control group (P < 0.05). ^b Significantly different from model group (P < 0.05). ^c Significantly different from chromium trichloride group (P < 0.05). ^d Significantly different from chromium picolinate group (P < 0.05).