. . . . . . . "[For instance, a point mutation in a human clock gene (Per2) was shown to produce the rare advanced sleep phase syndrome, whereas a functional polymorphism in Per3 is associated with the more frequent delayed sleep phase syndrome.]. 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 . "2017-10-17T13:17:36+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .