Article Information
vol. 26 no. 4 736-739
PubMed
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History
- Received November 14, 2004
- Accepted March 8, 2005
- Published online October 1, 2005.
Copyright & Usage
© ERS Journals Ltd
Author Information
- 1Dept of Occupational Medicine, Finnish Institute of Occupational Health, Helsinki, and 2Laboratory of Engineering Materials, Helsinki University of Technology, Espoo, Finland.
- T. Hannu, Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, FI-02500 Helsinki, Finland. Fax: 358 304742149. E-mail: Timo.Hannu{at}ttl.fi