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. 2017 Jun 1;12(6):e0178355. doi: 10.1371/journal.pone.0178355

Fig 1. Graphical presentation of the number of neutrophils in bronchoalveolar lavage (Mean ± SEM) from at day 1, 3, 28 and 90 following exposure to VC, GO, rGO or P90 (n = 7–8).

Fig 1

*, ** and ***: Statistically significantly different from corresponding VC at level p < 0.05, p < 0.01, p < 0.001, respectively. #: GO statistically significantly different from corresponding rGO group at level p <0.001. For group GO 18 μg/mouse at day 1, the symbol is larger than the corresponding error bar. Therefore, the error bar is not visible (SEM is shown in Table 2).