U. Lorenz, M. Abele-Horn, D. Bussen, and A. Thiede. Langenbeck's Archives of Surgery / Deutsche Gesellschaft Für Chirurgie, 392 (6):
761--765(November 2007)PMID: 17661075.
G. French. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, (December 2009)PMID: 19951329.
R. Wenzel, G. Bearman, and M. Edmond. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 29 (11):
1012--1018(November 2008)PMID: 18937571.
K. Kaier, C. Hagist, U. Frank, A. Conrad, and E. Meyer. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 30 (4):
346--353(April 2009)PMID: 19236282.