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. 2018 Jul 27;62(8):e00623-18. doi: 10.1128/AAC.00623-18

FIG 1.

FIG 1

Isobolograms showing the interaction between rifabutin (RFB) and imipenem (IPM) against M. abscessus CIP104536 (a) and its ΔblaMAb derivative (b). The fractional inhibitory concentration (FIC) index was determined by the checkerboard method.