Wansen K, Pastinen T, Kuokkanen S, Wikstr?m J, Palo J, Peltonen L, Tienari PJ. Immune system genes in multiple sclerosis: genetic association and linkage analyses on TCR beta, IGH, IFN-gamma and IL-1ra/IL-1 beta loci. J Neuroimmunol. 1997 Oct; 79(1):29-36.