R. Tsang, M. Sill, S. Skinner, D. Law, J. Zhou, and J. Wylie. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 44 (12):
1611--4(June 2007)PMID: 17516405.
B. Spratt, and M. Maiden. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences, 354 (1384):
701--10(April 1999)PMID: 10365396.
S. Cesur, and F. Cokça. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 25 (2):
169--171(February 2004)PMID: 14994946.
J. Band, D. Fraser, A. Hightower, and C. Broome. JAMA: The Journal of the American Medical Association, 252 (23):
3249--50(December 1984)PMID: 6334756.
P. Woo, S. Lau, J. Teng, H. Tse, and {. Yuen. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 14 (10):
908--934(October 2008)PMID: 18828852.
K. McGinigle, M. Gourlay, and I. Buchanan. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 46 (11):
1717--25(June 2008)PMID: 18494098.
M. Dworkin, L. Park, and S. Borchardt. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 44 (6):
810--6(March 2007)PMID: 17304452.
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.