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. 2011 Nov 22;6(11):e27853. doi: 10.1371/journal.pone.0027853

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Wang 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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(A) Control group, (B) Treated with 7.25 mg·L⁻¹ Cd group, (C) Treated with 29.00 mg·L⁻¹ Cd, (D) Treated with 116.00 mg·L⁻¹ Cd. Three types of cells can be recognized: live cells (green), live apoptotic cells (yellow), and dead cells by necrosis (red). Compared with the control group, the number of apoptotic cells were significantly increased with increasing Cd concentrations.