Radiographic, clinical, and functional outcomes of treatment with adalimumab (a human anti-tumor necrosis factor monoclonal antibody) in patients with active rheumatoid arthritis receiving concomitant methotrexate therapy: a randomized, placebo-controlled, 52-week trial. - Keystone EC; Kavanaugh AF; Sharp JT; Tannenbaum H; Hua Y; Teoh LS; Fischkoff SA; Chartash EK (Arthritis & Rheumatism, 2004)