. . . . . . . . . . . . "[In contrast to the results in a group of 30 RF-positive RA patients, the percentage of patients having at least one of the susceptibility alleles (HLA DR1 or HLA-DR4) was not significantly higher in patients with RF-negative, ANA-positive arthritis than in controls.]. 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 . "2014-10-02T12:34:25+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .