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.
Nolan CM, Maddocks M, Canavan JL, Jones SE, Delogu V, Kaliaraju D, Banya W, Kon SSC, Polkey MI, Man WD.Nolan CM, et al. Among authors: polkey mi.Am J Respir Crit Care Med. 2017 May 15;195(10):1344-1352. doi: 10.1164/rccm.201607-1372OC.Am J Respir Crit Care Med. 2017.PMID: 27911566Free PMC article.Clinical Trial.