Fig. 2From: Effect of physicochemical character differences on the genotoxic potency of kaolinDNA damage in the lungs of mice intratracheally instilled with kaolins. ICR mice were intratracheally instilled with 0.05 and 0.2 mg/mouse of two kinds of kaolin. After 3 h of administration, the DNA damage in the lungs of the mice was analyzed using comet assay. The values represent the mean of five animals ± SDBack to article page