Article
The role of heredity in late-onset Alzheimer disease and vascular dementia. A twin study.
Archives of general psychiatry - 1 Mar 1997
Bergem A L, Engedal K, Kringlen E
Abstract excerpt
BACKGROUND: This study compares the relative importance of heredity and environment in the development of Alzheimer disease and vascular dementia. The relationship between apolipoprotein E and dementia is also tested. METHODS: A total of 23,000 cognitively impaired subjects from Norwegian institutions for the elderly were identified, and their files were checked against the records of 26,000 twin pairs from the...
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