. . . . . . . . . . . . "[This study investigated the frequency of polymorphism located in the critical promoter region of the proinflammatory cytokine genes: interleukin (IL)-2, IL-6, IL-8, and tumor necrosis factor alpha (TNF-alpha) within a cohort of patients with PD in comparison to a group of healthy elderly individuals.]. 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" .