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. Peña, M. Dominguez, M. Pujol, R. Verdaguer, F. Gudiol, and J. Ariza. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 9 (9):
938--43(September 2003)PMID: 14616682.
C. Walker, and H. Wiesenfeld. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, (April 2007)PMID: 17342664.