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. 2018 Apr 3;2018:3438453. doi: 10.1155/2018/3438453

Figure 2.

Figure 2

ARSA CM permeability measurements over time following exposure to ampicillin and CRE either alone or in combination. CON = control (drug-free); AMP (32) = ampicillin at 32 μg/ml; CRE (0.25) = CRE at 0.25 mg/ml; AMP (0.5) + CRE (0.0625) = ampicillin at 0.5 μg/ml plus CRE at 0.0625 mg/ml; NIS (8) = nisin concentration at 8 μg/ml. The values plotted are the means of 4 observations, and the vertical bars indicate the standard errors of the means. Different letters indicate groups with statistical significance compared with other groups (Tukey's HSD test, p < 0.01).