- Dr M Confalonieri, U.O. Pneumologia, Azienda Ospedaliera di Trieste, Via Bonomia 265, 34100 Trieste, Italy
- Received July 11, 2000
- Revision requested October 23, 2000
- Revised December 18, 2000
- Accepted January 30, 2001
- First published May 1, 2001.
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