. . . . . . . . . . . . "[CHRNA4, the gene that encodes the nicotinic acetylcholine receptor α(4) subunit, is a potential candidate gene for nicotine dependence (ND).]. 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 . "2014-10-02T12:36:40+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .