TRAF1-C5 as a risk locus for rheumatoid arthritis--a genomewide study. Plenge RM, Seielstad M, Padyukov L, et al. TRAF1-C5 as a risk locus for rheumatoid arthritis--a genomewide study. N Engl J Med. 2007;357(12):1199-209. doi:10.1056/NEJMoa073491Google ScholarDOIPubMed Read more