Article Information
vol. 22 no. 5 815-820
PubMed
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History
- Received April 29, 2003
- Accepted July 1, 2003
- Published online November 1, 2003.
Copyright & Usage
© ERS Journals Ltd
Author Information
- 1Dept of Pulmonary Medicine, Medisch Spectrum Twente, Enschede, 2Dept of Pulmonary Medicine, and 3Dept of Epidemiology and Biostatistics, University Medical Centre, Nijmegen, The Netherlands
- E. Monninkhof, Medisch Spectrum Twente, Dept of Pulmonary Medicine, PO Box 50000, 7500 KA, Enschede, The Netherlands. Fax: 31 534872638. E‐mail: emonninkhof@introweb.nl