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.
Ryan A, Nor AM, Costigan D, Foley-Nolan D, El-Rafie A, Farrell MA, Hardiman O.Ryan A, et al.Arch Neurol. 2003 Jul;60(7):1001-3. doi: 10.1001/archneur.60.7.1001.Arch Neurol. 2003.PMID: 12873858
McHugh JC, Ryan AM, Lynch T, Dempsey E, Stack J, Farrell MA, Kelly PJ.McHugh JC, et al. Among authors: ryan am.Cerebrovasc Dis. 2007;23(1):66-9. doi: 10.1159/000097030. Epub 2006 Nov 14.Cerebrovasc Dis. 2007.PMID: 17108675No abstract available.
Ryan AM, Ryan J, Wan-Ahmed M, Hardiman O, Farrell MA, McNamara B, Sweeney BJ.Ryan AM, et al. Among authors: ryan j.BMJ Case Rep. 2009;2009:bcr08.2008.0650. doi: 10.1136/bcr.08.2008.0650. Epub 2009 Jan 23.BMJ Case Rep. 2009.PMID: 21686700Free PMC article.
Lefter S, Hardiman O, Ryan AM.Lefter S, et al. Among authors: ryan am.Neuroepidemiology. 2014;43(2):123-30. doi: 10.1159/000367634. Epub 2014 Nov 5.Neuroepidemiology. 2014.PMID: 25376451Free article.
Lefter S, Hardiman O, Ryan AM.Lefter S, et al. Among authors: ryan am.Neurology. 2017 Jan 17;88(3):304-313. doi: 10.1212/WNL.0000000000003504. Epub 2016 Dec 7.Neurology. 2017.PMID: 27927941
Lefter S, O' Mahony O, Sweeney B, Ryan AM.Lefter S, et al. Among authors: ryan am.Mov Disord Clin Pract. 2020 Oct 28;8(1):106-110. doi: 10.1002/mdc3.13096. eCollection 2021 Jan.Mov Disord Clin Pract. 2020.PMID: 33426165Free PMC article.