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. 2019 Jan 29;63(2):e01581-18. doi: 10.1128/AAC.01581-18

FIG 1.

FIG 1

Mean obligate anaerobic gut microbiota populations (log10 CFU/ml) (a); mean facultative anaerobic gut microbiota populations (log10 CFU/ml) (b); and mean C. difficile total viable counts and spore counts (log10 CFU/ml), cytotoxin titers (relative units, RU), and antimicrobial concentration (mg/liter) (c) in vessel 3 of model OMC. All vertical arrows mark the addition of C. difficile spores to the model, and horizontal arrow marks the period of antibiotic instillation. LF Enterobacteriaceae, lactose-fermenting Enterobacteriaceae; LoD, limit of detection.