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.
A. Forsgren, K. Riesbeck, and H. Janson. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 46 (5):
726--731(March 2008)PMID: 18230042.
P. Veugelers, and A. Fitzgerald. CMAJ: Canadian Medical Association Journal = Journal De l'Association Medicale Canadienne, 173 (6):
607--613(September 2005)PMID: 16157724.
W. Organization.. Relevé Épidémiologique Hebdomadaire / Section D'hygiène Du Secrétariat De La Société Des Nations = Weekly Epidemiological Record / Health Section of the Secretariat of the League of Nations, 51 (51):
385--386(1976)PMID: 1958468.
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.
P. Stefanoff, M. Rosinska, G. Karczewski, and A. Zielinski. Euro Surveillance: Bulletin Européen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin, (March 2008)PMID: 18445440.