Article Information
vol. 17 no. 6 1078-1082
PubMed
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History
- Received October 12, 2000
- Accepted January 25, 2001
- Published online June 1, 2001.
Copyright & Usage
© ERS Journals Ltd
Author Information
- 1National Public Health Institute, Oulu, Finland, 2Dean Medical Center, Madison, Wisconsin, USA, 3National Public Health Institute, Helsinki, Finland. 4Dept of Medical Microbiology, University of Oulu, Oulu, Finland
- T. Huittinen, National Public Health Institute, P.O. Box 310, FIN-90101, Oulu, Finland. Fax: 35885376251