C. Geffers, D. Sohr, and P. Gastmeier. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 29 (12):
1167--1170(December 2008)PMID: 19014317.
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.
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.