. . . . . . . . . . . . "[This study is the first to show linkage of PTPN22 to rheumatoid factor positive- rheumatopid arthritis, consistent with PTPN22 as a new rheumatoid arthritis gene.]. 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 . "2014-10-02T12:33:07+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .