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. 2004 Mar;42(3):1185–1191. doi: 10.1128/JCM.42.3.1185-1191.2004

FIG. 2.

FIG. 2.

Tentatively proposed microbiological criteria for ciprofloxacin, moxifloxacin, levofloxacin, and nalidixic acid for the microdilution and disk diffusion tests for H. influenzae strains with and without amino acid modifications in the QRDR of GyrA. Symbols: *, strains with two amino acid modifications in the QRDR of GyrA and ParC; ○, one amino acid change in the QRDR of GyrA. Letters: a, of these strain groups, only one had one amino acid modification in the QRDR of GyrA; b, of this strain group, two had one amino acid modification in the QRDR or GyrA; c, of this strain group, one had two amino acid modifications in the QRDRs of GyrA and ParC.