TNF and rheumatoid arthritis: 3 Askling Askling J J Fored Fored CM CM Brandt Brandt L L Baecklund Baecklund E E Bertilsson Bertilsson L L Coster Coster L L Risk and case characteristics of tuberculosis in rheumatoid arthritis associated with tumor necrosis factor antagonists in Sweden Risk and case characteristics of tuberculosis in rheumatoid arthritis associated with tumor necrosis factor antagonists in Sweden Arthritis Rheum Arthritis Rheum 2005 2005 52 52 1986 1986 1992 1992 10.1002/art.21137 10.1002/art.21137 15986370 15986370