Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleONLINE METHODS.AuthorsZhaohui Zhou; Kozlowski, James; Schuster, Daniel P.PublicationAmerican Journal of Respiratory & Critical Care Medicine, 2005, Vol 172, Issue 3, p33ISSN1073-449XPublication typeArticle