RT Journal Article SR Electronic T1 Anti-tumor necrosis factor-alpha agents for rheumatoid arthritis: assessing longterm safety. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 831 OP 833 VO 33 IS 5 A1 Kimme L Hyrich A1 Alan J Silman YR 2006 UL http://www.jrheum.org/content/33/5/831.abstract AB