TY - STAND AU - C. Edwards AU - J. Campbell AU - T. Van Staa AU - N. Arden BT - BMJ Open DO - 10.1136/bmjopen-2012-001603 M1 - 6 PY - 2012 T2 - BMJ Open TI - Regional and temporal variation in the treatment of rheumatoid arthritis across the UK: a descriptive register-based cohort study VL - 2 SN - 2044-6055 ER -