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Quantification of the histological analysis of MWCNT aggregates in exposed mice.
Notes: MWCNTs in five random microscopic fields were counted in the lung, liver, brain, kidney, and intestine and provided with relative statistical analysis (*P<0.05, **P<0.01, ***P<0.001, ****P<0.0001, as assessed by two-tailed t-tests).
Abbreviation: MWCNT, multi-wall carbon nanotube.
