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Effectiveness and safety of adalimumab in patients with ankylosing spondylitis or psoriatic arthritis and history of anti-tumor necrosis factor therapy

Martin Rudwaleit*, Filip Van den Bosch, Martina Kron, Sonja Kary and Hartmut Kupper

Arthritis Research & Therapy 2010, 12:R117  doi:10.1186/ar3054