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. 2014 Jul 21;5(1):18–26. doi: 10.1016/j.jpha.2014.07.007

Table 3.

Effect of different concentrations of reference standard of Levofloxacin on zone of inhibition.

Standard concentration (µg/mL) Mean zone diameter (mm)
2.56 19.6
3.20 21.8
4.00 22.9
5.00 24.5
6.25 26.7