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Plasma levels of osteopontin identify patients at risk for organ damage in systemic lupus erythematosus

Ornella J Rullo*, Jennifer MP Woo, Miriam F Parsa, Alice DC Hoftman, Paul Maranian, David A Elashoff, Timothy B Niewold, Jennifer M Grossman, Bevra H Hahn, Maureen McMahon, Deborah K McCurdy and Betty P Tsao*

Arthritis Research & Therapy 2013, 15:R18  doi:10.1186/ar4150

See related editorial by Briggs,