. . . . . . . "[IL-1B single nucleotide polymorphisms at position -511 and -31, which increase IL-1beta production, occur at a higher frequency in opioid-dependent populations and may be associated, albeit weakly, with an increased risk of opioid dependence.]. 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 . "2017-10-17T13:13:45+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .