Evidence of genetic association between TNFRSF1A encoding the p55 tumour necrosis factor receptor, and ankylosing spondylitis in UK Caucasians. - Karaderi T; Pointon JJ; Wordsworth TW; Harvey D; Appleton LH; Cohen CJ; Farrar C; Harin A; Brown MA; Wordsworth BP (Clinical and experimental rheumatology, 2012)