Combined effect of HLA-DRB1)1501 and interleukin-1 receptor antagonist gene allele 2 in susceptibility to relapsingrremitting multiple sclerosis

E.G. de la Concha a,), R. Arroyo b, J.B.A. Crusius a, J.A. Campillo a, C. Martin b, E. Varela de Seijas b, A.S. Pen˜a c, L.E. Claver´ıa d, M. Fernandez-Arquero a
Journal of Neuroimmunology 80  1997. 172–178