G. French. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, (декабря 2009)PMID: 19951329.
C. Geffers, D. Sohr, и P. Gastmeier. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 29 (12):
1167--1170(декабря 2008)PMID: 19014317.