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. 2015 Jun 15;10(6):e0129091. doi: 10.1371/journal.pone.0129091

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© 2015 Xu 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 5 — (A) Caspase-3 activity in rat vascular following Pb exposure. (B) Caspase-3 activity in rat cardiac tissue following Pb exposure. The rats were treated with 1% Pb acetate for 12 and 40 days. n = 6. Data are the means ± SD. *p < 0.05 compared with the control group. The relative activities of caspase-3 shown are calculated from the average of experiment. Each value was expressed as the ratio of caspase-3 activation level to the control level, and the value of the control was set to 1.