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.
Lehtovirta M, Partanen J, Könönen M, Soininen H, Helisalmi S, Mannermaa A, Ryynänen M, Hartikainen P, Riekkinen P Sr.Lehtovirta M, et al. Among authors: ryynanen m.Neurobiol Aging. 1996 Jul-Aug;17(4):523-6. doi: 10.1016/0197-4580(96)00024-3.Neurobiol Aging. 1996.PMID: 8832625
Helisalmi S, Mannermaa A, Lehtovirta M, Ryynänen M, Riekkinen P Sr, Soininen H.Helisalmi S, et al. Among authors: ryynanen m.Neurosci Lett. 1997 Aug 1;231(1):56-8. doi: 10.1016/s0304-3940(97)00525-9.Neurosci Lett. 1997.PMID: 9280167
Castrén M, Pääkkönen A, Tarkka IM, Ryynänen M, Partanen J.Castrén M, et al. Among authors: ryynanen m.Brain Topogr. 2003 Spring;15(3):165-71. doi: 10.1023/a:1022606200636.Brain Topogr. 2003.PMID: 12705812
Kosunen O, Talasniemi S, Lehtovirta M, Heinonen O, Helisalmi S, Mannermaa A, Paljärvi L, Ryynänen M, Riekkinen PJ Sr, Soininen H.Kosunen O, et al. Among authors: ryynanen m.Stroke. 1995 May;26(5):743-8. doi: 10.1161/01.str.26.5.743.Stroke. 1995.PMID: 7740560
Lehtovirta M, Soininen H, Helisalmi S, Mannermaa A, Helkala EL, Hartikainen P, Hänninen T, Ryynänen M, Riekkinen PJ.Lehtovirta M, et al. Among authors: ryynanen m.Neurology. 1996 Feb;46(2):413-9. doi: 10.1212/wnl.46.2.413.Neurology. 1996.PMID: 8614504
Helisalmi S, Linnaranta K, Lehtovirta M, Mannermaa A, Heinonen O, Ryynänen M, Riekkinen P Sr, Soininen H.Helisalmi S, et al. Among authors: ryynanen m.Neurosci Lett. 1996 Feb 16;205(1):61-4. doi: 10.1016/0304-3940(96)12373-9.Neurosci Lett. 1996.PMID: 8867021