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Fig. 7 | Respiratory Research

Fig. 7

From: Exposure to ambient particulate matter alters the microbial composition and induces immune changes in rat lung

Fig. 7

Microbial abundance and diversity in exposure groups. Boxplots of alpha diversity measures of species richness (operational taxonomic unit [OTU] number, a) and microbial diversity (Chao 1 index, PD_whole_tree index, and observed_species index, b–d). Results are expressed as mean ± SEM; n = 6 rats. CON, control group; BMF, biomass fuel exposure group; MVE, motor vehicle exhaust exposure group. * p < 0.05, ** p < 0.01

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