. . . . . . . . . . . . "[Therefore, the -141C Del variant of the DRD2 might be a protective factor against the development of withdrawal symptoms.]. 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 . "2014-10-02T12:35:25+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .