RT Journal Article SR Electronic T1 Efficacy and Safety of Baricitinib in Japanese Patients with Active Rheumatoid Arthritis Receiving Background Methotrexate Therapy: A 12-week, Double-blind, Randomized Placebo-controlled Study JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 998 OP 998 DO 10.3899/jrheum.150613.C1 VO 43 IS 5 YR 2016 UL http://www.jrheum.org/content/43/5/998.abstract AB