. . . . . . . . . . . . "[Using affected sibling pair (ASP) families, we are examining familial clustering of ADHD symptoms, neurocognitive task performance, and the occurrence of comorbid conditions to attempt to refine the phenotype and/or identify clinical features that may be used to stratify ADHD subjects to reduce etiological heterogeneity.]. 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 . "2014-10-02T12:35:20+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .