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.
C. Silva, V. Magalhães, C. Pereira, J. Kawagoe, C. Ikura, und A. Ganc. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 24 (3):
195--197(März 2003)PMID: 12683511.