Article Information
vol. 20 no. 120 122
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History
- Published online June 1, 2011.
Copyright & Usage
©ERS 2011
Author Information
- J. Janssen⇓
- J. Janssen, Canisius Wilhelmina Hospital, Post Box 9015, 6500 GS, Nijmegen, The Netherlands. E-mail: j.janssen{at}cwz.nl