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.
Fleetham JA, Ferguson KA, Lowe AA, Ryan CF.Fleetham JA, et al. Among authors: ryan cf.Sleep. 1996 Dec;19(10 Suppl):S288-90. doi: 10.1093/sleep/19.suppl_10.s288.Sleep. 1996.PMID: 9085534Review.
Fox N, Hirsch-Allen AJ, Goodfellow E, Wenner J, Fleetham J, Ryan CF, Kwiatkowska M, Ayas NT.Fox N, et al. Among authors: ryan cf.Sleep. 2012 Apr 1;35(4):477-81. doi: 10.5665/sleep.1728.Sleep. 2012.PMID: 22467985Free PMC article.Clinical Trial.
Ayas NT, FitzGerald JM, Fleetham JA, White DP, Schulzer M, Ryan CF, Ghaeli R, Mercer GW, Cooper P, Tan MC, Marra CA.Ayas NT, et al. Among authors: ryan cf.Arch Intern Med. 2006 May 8;166(9):977-84. doi: 10.1001/archinte.166.9.977.Arch Intern Med. 2006.PMID: 16682570
Ferguson KA, Ono T, Lowe AA, Ryan CF, Fleetham JA.Ferguson KA, et al. Among authors: ryan cf.Chest. 1995 Aug;108(2):375-81. doi: 10.1378/chest.108.2.375.Chest. 1995.PMID: 7634870
Keenan SP, Anderson B, Wiggs B, Ryan CF, Fleetham JA.Keenan SP, et al. Among authors: ryan cf.Sleep. 1993 Dec;16(8 Suppl):S133-4. doi: 10.1093/sleep/16.suppl_8.s133.Sleep. 1993.PMID: 8178005