. Lack of association between an intronic polymorphism in the presenilin-1 gene and sporadic late-onset Alzheimer disease in Polish patients. Dement Geriatr Cogn Disord. 1998 May-Jun;9(3):137-9. PubMed.


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  1. This paper shows the relationship between PS-1 polymorphophism and non-familial sporadic AD patients. We should pay attention to any such studies, including those with negative findings, such as this one.

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