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.
Gern JE, French DA, Grindle KA, Brockman-Schneider RA, Konno S, Busse WW.Gern JE, et al.Am J Respir Cell Mol Biol. 2003 Jun;28(6):731-7. doi: 10.1165/rcmb.2002-0055OC. Epub 2002 Dec 30.Am J Respir Cell Mol Biol. 2003.PMID: 12600836