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.
J. Smith, N. Smith, M. O'Rourke, and B. Spratt. Proceedings of the National Academy of Sciences of the United States of America, 90 (10):
4384--8(May 1993)PMID: 8506277.
N. Woodford, and M. Ellington. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 13 (1):
5--18(January 2007)PMID: 17184282.