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. 2010 Sep 3;192(21):5736–5745. doi: 10.1128/JB.00826-10

FIG. 4.

FIG. 4.

Disk diffusion assays of antibiotic sensitivity. Each bar represents the average zone of inhibition of at least three assays performed with biological triplicates of each strain tested. Error bars indicate the standard deviations. The zone of inhibition is expressed as the total diameter of the clear zone minus the diameter of the filter paper disk (6.5 mm).