L. Haddow, C. Mulgrew, A. Ansari, J. Miell, G. Jackson, H. Malnick, und G. Rao. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 9 (5):
426--30(Mai 2003)PMID: 12848758.
C. Peña, M. Dominguez, M. Pujol, R. Verdaguer, F. Gudiol, und 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.