THE IL1 GENE CLUSTER IS A MAJOR LOCUS DETERMINING SUSCEPTIBILITY TO ANKYLOSING SPONDYLITIS - Timms, A; Crane, A; Sims, A; Cordell, H; Bradbury, L; Beynon, O; Duff, G; Cardon, L; Calin, A; Wordsworth, P; Brown, M (2004)