D. Livermore. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 34 (5):
634--40(March 2002)PMID: 11823954.
M. Bonten, D. Austin, and M. Lipsitch. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 33 (10):
1739--46(November 2001)PMID: 11595995.
K. Lee, Y. Chong, H. Shin, Y. Kim, D. Yong, and J. Yum. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 7 (2):
88--91(February 2001)PMID: 11298149.