. . . . . . . "[In order to estimate the frequency of de novo PS1 mutations, we have sequenced the PS1 open reading frame in 13 clinically diagnosed patients with no affected relatives, who had developed AD before the age of 50.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:15:42+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .