M. Bonten, D. Austin, и M. Lipsitch. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 33 (10):
1739--46(ноября 2001)PMID: 11595995.
P. Gastmeier, D. Sohr, C. Geffers, M. Behnke, и H. Rüden. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 28 (4):
466--72(апреля 2007)PMID: 17385154.
A. Sullivan, J. Wigginton, и D. Kirschner. Proceedings of the National Academy of Sciences of the United States of America, 98 (18):
10214--10219(августа 2001)PMID: 11517319.
J. Reed, J. Thistlethwaite, и J. Huppert. The Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine, 41 (1):
14--18(июля 2007)PMID: 17577529.