Instructions for authors About the journal Editorial board Advertising and Recruitment Email alerts 'Net Tips Help Feedback Guestbook Other ATS Journals Online The American Thoracic Society publishes Proceedings of the American Thoracic Society. Stanford University Libraries' HighWire Press ® assists in the publication of Proceedings of the American Thoracic Society Online   Welcome to PATS Online       Select an Issue from the Archive January 2004 - January 2009 Search for Articles January 2004 - January 2009 PDA Download     Current Issue: Volume 6 Issue 1   Copyright © 2009 by the American Thoracic Society.      Print ISSN: 1546-3222