PT - JOURNAL ARTICLE AU - Vinall, Maria ED - Padyukov, L. TI - A Genome-Wide SNP Association Study Identifies Novel Risk Loci for Rheumatoid Arthritis in Swedish EIRA Study DP - 2007 Sep 01 TA - MD Conference Express PG - 10--10 VI - 7 IP - 4 4099 - http://mdc.sagepub.com/content/7/4/10.short 4100 - http://mdc.sagepub.com/content/7/4/10.full AB - Rheumatoid arthritis (RA) affects ∼1% of Western populations. The presence (∼60% of cases) or absence (∼40%) of anti citrullinated protein autoantibodies (ACPA) is a biomarker of disease defining two RA subtypes. This article discusses the Epidemiological Investigation of RA [EIRA] study cohort of Swedish cases and controls.