Osteogenic protein 1 in synovial fluid from patients with rheumatoid arthritis or osteoarthritis: relationship with disease and levels of hyaluronan and antigenic keratan sulfate. Chubinskaya S, Frank BS, Michalska M, Kumar B, Merrihew CA, Thonar EJ, Lenz ME, Otten L, Rueger DC, Block JA Arthritis Res Ther 2006, 8:R73 [Full text] [PubMed] [Related articles] [Cited on BioMed Central]
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