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 GM, Ryan S, O'connor TM, McNicholas WT.Nolan GM, et al. Among authors: ryan s.Eur Respir J. 2006 Jul;28(1):159-64. doi: 10.1183/09031936.06.00127205. Epub 2006 Mar 29.Eur Respir J. 2006.PMID: 16571610Free article.Clinical Trial.
Ryan S, Taylor CT, McNicholas WT.Ryan S, et al.Postgrad Med J. 2009 Dec;85(1010):693-8. doi: 10.1136/thx.2008.105577.Postgrad Med J. 2009.PMID: 20075410
Anttalainen U, Grote L, Fietze I, Riha RL, Ryan S, Staats R, Hedner J, Saaresranta T; ESADA Study Collaborators.Anttalainen U, et al. Among authors: ryan s.Sleep Breath. 2019 Sep;23(3):805-814. doi: 10.1007/s11325-018-1757-9. Epub 2018 Nov 22.Sleep Breath. 2019.PMID: 30467691Free PMC article.