R. Wenzel, G. Bearman, und 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.
J. Top, N. Banga, R. Hayes, R. Willems, M. Bonten, und M. Hayden. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 14 (4):
363--369(April 2008)PMID: 18261124.