1. Comparison of two agar dilution methods and three agar diffusion methods, including the Etest, for antibiotic susceptibility testing of thermophilic Campylobacter species 
Jørgen Engberg, Sigrid Andersen, Robert Skov, Frank Møller Aarestrup, Peter Gemer-Smidt 
Clinical Microbiology and Infection 
Volume 5, Issue 9, Pages (September 1999)
DOI: /j tb00440.x
Copyright © 1999 European Society of Clinical Infectious Diseases Terms and Conditions

2. Figure 1
Erythromycin, regression line for zone versus MIC (methods A and D). Asterix indicates 12 values. Regression line: y = x + 569,7; r2 = 0.87.
Clinical Microbiology and Infection 1999 5, DOI: ( /j tb00440.x)
Copyright © 1999 European Society of Clinical Infectious Diseases Terms and Conditions