An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Huang Y, White DP, Malhotra A.Huang Y, et al. Among authors: malhotra a.Chest. 2005 Sep;128(3):1324-30. doi: 10.1378/chest.128.3.1324.Chest. 2005.PMID: 16162725Free PMC article.
Eikermann M, Jordan AS, Chamberlin NL, Gautam S, Wellman A, Lo YL, White DP, Malhotra A.Eikermann M, et al. Among authors: malhotra a.Chest. 2007 Jun;131(6):1702-9. doi: 10.1378/chest.06-2653. Epub 2007 Apr 5.Chest. 2007.PMID: 17413053Free PMC article.