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. 2022 Mar 15;77(6):1662–1669. doi: 10.1093/jac/dkac080

Figure 4.

Figure 4.

Inhibition zone diameter distributions for quality control strains from the external validation study versus test site, disc manufacturer and Mueller–Hinton manufacturer for (a) E. coli ATCC 25922 and (b) P. aeruginosa ATCC 27853. Grey shading indicates EUCAST QC ranges for E. coli ATCC 25922 (24–30 mm) and P. aeruginosa ATCC 27853 (23–29 mm). Com, commercially prepared; IH, prepared in-house. This figure appears in colour in the online version of JAC and in black and white in the print version of JAC.