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.
Richter A, Yeager ME, Zaiman A, Cool CD, Voelkel NF, Tuder RM.Richter A, et al. Among authors: tuder rm.Am J Respir Crit Care Med. 2004 Dec 15;170(12):1340-8. doi: 10.1164/rccm.200311-1602OC. Epub 2004 Sep 10.Am J Respir Crit Care Med. 2004.PMID: 15361368