- Correspondence to Professor J A Neder, Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Respiratory Division, Department of Medicine, Federal University of São Paulo (UNIFESP), Rua Professor Francisco de Castro 54, Vila Clementino, São Paulo CEP: 04020-050, Brazil;
- Received June 1, 2009
- Accepted January 12, 2010
- First published July 13, 2010.
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