. . . . . . . . . . . . "[To reduce the heterogeneity that may confound association studies of alcohol dependence, we examined the association of 5'-HTTLPR alleles with three dichotomous typologies of alcoholism based on sex, comorbid drug dependence, or age of onset of alcohol dependence.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2013-07-06"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:32:23+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .