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. 2017 Dec 30;32(6):581–597. doi: 10.1093/mutage/gex042

Fig. 6.

Fig. 6.

Only CB dispersed in water dispersion medium increases levels of DNA strand breaks in BAL 3 days after administration to mice. CB was administered intratracheally to mice at 162 µg/mouse. Three, five or twenty-eight days later BAL fluid was prepared, and tail length was measured by comet assay. Data are mean and bars represent SD. ***, ** and * designate P-values of <0.001, <0.01 and <0.05, respectively, of t-test in case of data approaching normality and not having a highly different variation (details given in the Methods section), otherwise of Mann–Whitney test. §§§, §§ and § designates P-values of <0.001, <0.01 and <0.05, respectively, of CB groups of one-way ANOVA with Holm-Sidak’s multiple comparisons test in case of data approaching normality and not having a highly different variation (details given in the Methods section), otherwise of Kruskal–Wallis test with Dunn’s multiple comparisons test. ###, ## and # designate P-values of <0.001, <0.01 and <0.05, respectively, of dispersion medium groups of one-way ANOVA with Holm-Sidak’s multiple comparisons test in case of data approaching normality and not having a highly different variation (details given in the Methods section), otherwise of Kruskal–Wallis test with Dunn’s multiple comparisons test.