. . . . . . . "[Mutations in copper/zinc superoxide dismutase 1 (SOD1) are found in approximately 20% of familial and approximately 3% of sporadic ALS cases but are not associated with dementia.]. 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 . "2017-10-17T13:16:21+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .