- Correspondence to:
Dr M Miravitlles
Servei de Pneumologia, Institut Clínic de Pneumologia i Cirurgia Toràcica, Hospital Clinic, Villarroel 170, 08036 Barcelona, Spain;
- Received April 15, 2003
- Accepted December 30, 2003
- First published April 28, 2004.
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