Linkage analysis of a candidate region in Scandinavian sib pairs with multiple sclerosis reveals linkage to chromosome 17q. by Larsen, F, Oturai, A, Ryder, L, Madsen, H, Hillert, J, Fredrikson, S, Sandberg-Wollheim, M, Laaksonen, M, Harbo, H, Sawcer, S, Fugger, L, Sorensen, P, Svejgaard, A