- Correspondence to:
Professor R Rodríguez-Roisin
Servei de Pneumologia, Hospital Clínic, Villarroel 170, 08036 Barcelona, Spain;
- Received September 14, 2005
- Accepted January 10, 2006
- First published May 31, 2006.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.