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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1978 1
1982 2
1985 1
1987 3
1988 3
1989 3
1991 4
1992 8
1993 8
1994 2
1995 9
1996 7
1997 4
1998 3
1999 1
2000 1
2001 5
2002 5
2004 2
2005 4
2006 7
2007 6
2008 3
2009 1
2024 0

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90 results

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Page 1
Dementia without cholinergic deficit.
Riekkinen PJ, Soininen H, Sirviö J, Reinikainen K, Helkala EL, Paljärvi L. Riekkinen PJ, et al. Among authors: helkala el. Gerontology. 1987;33(3-4):268-72. doi: 10.1159/000212889. Gerontology. 1987. PMID: 3653707
EEG findings in senile dementia and normal aging.
Soininen H, Partanen VJ, Helkala EL, Riekkinen PJ. Soininen H, et al. Among authors: helkala el. Acta Neurol Scand. 1982 Jan;65(1):59-70. doi: 10.1111/j.1600-0404.1982.tb03062.x. Acta Neurol Scand. 1982. PMID: 7064655
Type-2 diabetes and cognitive function in a non-demented population.
Vanhanen M, Kuusisto J, Koivisto K, Mykkänen L, Helkala EL, Hänninen T, Riekkinen P Sr, Soininen H, Laakso M. Vanhanen M, et al. Among authors: helkala el. Acta Neurol Scand. 1999 Aug;100(2):97-101. doi: 10.1111/j.1600-0404.1999.tb01045.x. Acta Neurol Scand. 1999. PMID: 10442450
Education and dementia: what lies behind the association?
Ngandu T, von Strauss E, Helkala EL, Winblad B, Nissinen A, Tuomilehto J, Soininen H, Kivipelto M. Ngandu T, et al. Among authors: helkala el. Neurology. 2007 Oct 2;69(14):1442-50. doi: 10.1212/01.wnl.0000277456.29440.16. Neurology. 2007. PMID: 17909157
Tetrahydroaminoacridine improves the recency effect in Alzheimer's disease.
Riekkinen M, Soininen H, Riekkinen P Sr, Kuikka J, Laakso M, Helkala EL, Partanen J, Riekkinen P Jr. Riekkinen M, et al. Among authors: helkala el. Neuroscience. 1998 Mar;83(2):471-9. doi: 10.1016/s0306-4522(97)00400-4. Neuroscience. 1998. PMID: 9460755 Clinical Trial.
A voxel based morphometry study on mild cognitive impairment.
Pennanen C, Testa C, Laakso MP, Hallikainen M, Helkala EL, Hänninen T, Kivipelto M, Könönen M, Nissinen A, Tervo S, Vanhanen M, Vanninen R, Frisoni GB, Soininen H. Pennanen C, et al. Among authors: helkala el. J Neurol Neurosurg Psychiatry. 2005 Jan;76(1):11-4. doi: 10.1136/jnnp.2004.035600. J Neurol Neurosurg Psychiatry. 2005. PMID: 15607988 Free PMC article.
90 results