1. Multidrug-resistant, extensively drug-resistant and pandrug-resistant bacteria: an international expert proposal for interim standard definitions for acquired resistance 
A.-P. Magiorakos, A. Srinivasan, R.B. Carey, Y. Carmeli, M.E. Falagas, C.G. Giske, S. Harbarth, J.F. Hindler, G. Kahlmeter, B. Olsson- Liljequist, D.L. Paterson, L.B. Rice, J. Stelling, M.J. Struelens, A. Vatopoulos, J.T. Weber, D.L. Monnet 
Clinical Microbiology and Infection 
Volume 18, Issue 3, Pages (March 2012)
DOI: /j x
Copyright © 2012 European Society of Clinical Infectious Diseases Terms and Conditions

2. FIG. 1
Diagram showing the relationship of MDR, XDR and PDR to each other.
Clinical Microbiology and Infection  , DOI: ( /j x)
Copyright © 2012 European Society of Clinical Infectious Diseases Terms and Conditions

3. FIG. 2
Examples of 22 possible antimicrobial susceptibility patterns that can fall under the proposed definitions for MDR, XDR and PDR. □, the isolate is susceptible to all agents listed in category; , the isolate is non-susceptible to some, but not all agents listed in category; ▪, the isolate is non-susceptible to all agents listed in category; , the isolate was not tested for susceptibility to any agent listed in this category.
Clinical Microbiology and Infection  , DOI: ( /j x)
Copyright © 2012 European Society of Clinical Infectious Diseases Terms and Conditions