. . . . . . . "[The A1 allele of TNF-alpha associates with rheumatoid arthritis.Genotypes A1A2 of TNF-alpha is associated with more severe disease.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2009-03-31"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:16:48+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .