. . . . . . . . . . . . "[In an attempt to replicate the reported association between DRD2 alleles, substance dependence, and severity of substance dependence, we studied allele frequencies for three polymorphic DRD2 systems (TaqI `A,` `B,` and `D`) in 96 EA and 77 African-American (AA) cocaine-dependent subjects, and 87 EA and 45 AA control subjects.]. 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 . "2014-10-02T12:39:46+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .