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Pfeiffer E, Vickers SM, Frank E, Grodzinsky AJ, Spector M.Pfeiffer E, et al. Among authors: grodzinsky aj.Osteoarthritis Cartilage. 2008 Oct;16(10):1237-44. doi: 10.1016/j.joca.2008.02.014. Epub 2008 Apr 11.Osteoarthritis Cartilage. 2008.PMID: 18406634Free article.