. . . . . . . "[The prevalence of RF (cutoff level predetermined to include 5% of Caucasian controls) and anti-CCP (cutoff level of ?40 units) was, respectively, 88% and 81% in the RA patients, 34% and 9% in first-degree relatives, and 9% and 4% in North American Native controls; the prevalence of anti-CCP was 0% in Caucasian controls.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:11:45+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .