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. 2022 Sep 7;23(18):10345. doi: 10.3390/ijms231810345

Figure 6.

Figure 6

3D micro-CT imaging after intratracheal instillation. (A) HMW PAA-exposure group and (B) LMW PAA-exposure group at 3 days, where (a) control group, (b) 0.2 mg-exposure group, and (c) 1.0 mg-exposure group; at 1 week, where (d) control group, (e) 0.2 mg-exposure group, and (f) 1.0 mg-exposure group; at 1 month, where (g) control group, (h) 0.2 mg-exposure group, and (i) 1.0 mg-exposure group; at 3 months, where (j) control group, (k) 0.2 mg-exposure group, and (l) 1.0 mg-exposure group; and at 6 months, where (m) control group, (n) 0.2 mg-exposure group, and (o) 1.0 mg-exposure group. Bilateral diffusion or centrilobular infiltration in lungs was observed from 3 days to 1 month in the HMW PAA-exposure group and from 3 days to 1 week or 1 month in the LMW PAA-exposure group, respectively. The radiological findings were more prominent in the HMW PAA-exposure group than in the LMW PAA-exposure group.