Research Article

Photobiomodulation for Cobalt Chloride-Induced Hypoxic Damage of RF/6A Cells by 670 nm Light-Emitting Diode Irradiation

Figure 3

Effect of 21 mW/cm2 670 nm LED treatment on cytochrome C oxidase activity. Data are means ± SEM. ** indicates comparison with control group. NS indicates no significance compared with control group. ## indicates comparison with 200  mol/L CoCl2 group.
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