Article Information
vol. 40 no. 1 1-3
PubMed
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History
- Published online June 30, 2012.
Copyright & Usage
©ERS 2012
Author Information
- Wim G. Boersma⇓
- W.G. Boersma, Dept of Pulmonary Diseases, Medical Centre Alkmaar, PO Box 510, 1800AM Alkmaar, The Netherlands. E-mail: w.boersma{at}mca.nl