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.
C. Capitini, I. Herrero, R. Patel, M. Ishitani, and T. Boyce. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 34 (12):
E74--76(June 2002)PMID: 12032914.