C. Herr, T. Heckrodt, F. Hofmann, R. Schnettler, and T. Eikmann. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 24 (9):
673--678(September 2003)PMID: 14510250.
E. Tacconelli. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 14 (5):
407--10(May 2008)PMID: 18190564.