Fig. 2.
Mean body weight of rats exposed to 0mg/m3, 0.2 mg/m3, 1mg/m3 and 5mg/m3 Al2O3 nanoparticles during the experimental period. Values are expressed as means ± SD (n = 16, 0~4 week; n = 8, 5~8 week; n=8).
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