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Serum levels of biomarkers of bone and cartilage destruction and new bone formation in different cohorts of patients with axial spondyloarthritis with and without tumor necrosis factor-alpha blocker treatment

Heiner Appel*, Louise Janssen, Joachim Listing, René Heydrich, Martin Rudwaleit and Joachim Sieper

Arthritis Research & Therapy 2008, 10:R125  doi:10.1186/ar2537

See related editorial by Maksymowych,