Studying associations between variants in TRAF1-C5 and TNFAIP3-OLIG3 and the progression of joint destruction in rheumatoid arthritis in multiple cohorts. Issue 10 (14th May 2012) - Knevel, R; de Rooy, D P; Gregersen, P K; Lindqvist, E; Wilson, A G; Gröndal, G; Zhernakova, A; van Nies, J A; Toes, R E; Tsonaka, R; Houwing-Duistermaat, J J; Steinsson, K; et al.