Orozco, Gisela; Viatte, Sebastien; Bowes, John; Martin, Paul; Wilson, Anthony G.; Morgan, Ann W.; Steer, Sophia; Wordsworth, Paul; Hocking, Lynne J.; UK Rheumatoid Arthritis Genetics Consortium; Wellcome Trust Case Control Consortium; Biologics in Rheumatoid Arthritis Genetics and Genomics Study ...