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. 1986 Sep;24(3):448-50.
doi: 10.1128/jcm.24.3.448-450.1986.

Tentative disk diffusion susceptibility interpretive criteria for pefloxacin

P C Fuchs, A L Barry, R N Jones, C Thornsberry

Tentative disk diffusion susceptibility interpretive criteria for pefloxacin

P C Fuchs et al. J Clin Microbiol. 1986 Sep.

Abstract

Standardized broth microdilution and disk diffusion susceptibility tests for pefloxacin were performed on 585 clinical isolates. The 5-micrograms pefloxacin disk is recommended, and the following breakpoints are proposed: susceptible, greater than or equal to 19 mm (MIC, less than or equal to 2.0 micrograms/ml); resistant, less than or equal to 15 mm (MIC, greater than 4.0 micrograms/ml); and intermediate, 16 to 18 mm.

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