A CCR6 variant strongly associated with rheumatoid arthritis in two populations is not associated with ankylosing spondylitis by Cohen, CJ, Karaderi, T, Pointon, JJ, Wordsworth, BP

Evidence of genetic association between TNFRSF1A encoding the p55 tumour necrosis factor receptor, and ankylosing spondylitis in UK Caucasians by Karaderi, T, Pointon, JJ, Wordsworth, TW, Harvey, D, Appleton, LH, Cohen, CJ, Farrar, C, Harin, A, Brown, MA, Wordsworth, BP