Figure 4.

Numbers of caspase-3-positive cells and PCNA positive nuclei (counting area = 3,500 μm2). Error bars indicate standard error of the mean. Bars with different superscripts differ significantly (P < 0.05).

Prasek et al. Nanoscale Research Letters 2013 8:251   doi:10.1186/1556-276X-8-251
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