- Correspondence to: Dr Claire Shovlin The Eric Bywaters Centre, Respiratory Section, National Heart and Lung Institute, Imperial College Faculty of Medicine, Hammersmith Hospital, Du Cane Road, London W12 0NN, UK;
- Received November 1, 2004
- Accepted December 15, 2004
- Revised December 14, 2004
- First published July 1, 2005.
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