Article Information
vol. 38 no. 1 70-77
PubMed
Published By
Print ISSN
Online ISSN
History
- Received April 6, 2010
- Accepted November 30, 2010
- Published online June 30, 2011.
Article Versions
- previous version (December 22, 2010 - 08:04).
- previous version (December 23, 2010 - 01:31).
- You are viewing the most recent version of this article.
Copyright & Usage
©ERS 2011
Author Information
View Full Text