H. Tronel, H. Chaudemanche, N. Pechier, L. Doutrelant, and B. Hoen. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 7 (5):
275--6(May 2001)PMID: 11422256.
P. Gastmeier, D. Sohr, C. Geffers, M. Behnke, and H. Rüden. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 28 (4):
466--72(April 2007)PMID: 17385154.