D. Livermore. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 34 (5):
634--40(März 2002)PMID: 11823954.
K. Lee, Y. Chong, H. Shin, Y. Kim, D. Yong, und J. Yum. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 7 (2):
88--91(Februar 2001)PMID: 11298149.