. . . . . . . . . . . . "[Mutations in Presenilin 1 (PS1) and Presenilin 2 (PS2) genes account for up to 50% of familial early-onset Alzheimer's disease (EOAD).]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:34:11+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .