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Arnold LM, Clauw DJ, Dunegan LJ, Turk DC; FibroCollaborative.Arnold LM, et al.Mayo Clin Proc. 2012 May;87(5):488-96. doi: 10.1016/j.mayocp.2012.02.010.Mayo Clin Proc. 2012.PMID: 22560527Free PMC article.Review.