C. Peña, M. Dominguez, M. Pujol, R. Verdaguer, F. Gudiol, and J. Ariza. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 9 (9):
938--43(September 2003)PMID: 14616682.
R. Brooks, C. Woods, D. Benjamin, and N. Rosenstein. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 43 (1):
49--54(July 2006)PMID: 16758417.
A. Sullivan, J. Wigginton, and D. Kirschner. Proceedings of the National Academy of Sciences of the United States of America, 98 (18):
10214--10219(August 2001)PMID: 11517319.
J. Bigham, M. Hutcheon, D. Patrick, and A. Pollard. Canada Communicable Disease Report = Relevé Des Maladies Transmissibles Au Canada, 27 (2):
13--8(January 2001)PMID: 11227821.
A. Wilder-Smith, K. Goh, T. Barkham, and N. Paton. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 36 (6):
679--83(March 2003)PMID: 12627350.