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Kristensen LE, Bliddal H, Christensen R, Karlsson JA, Gülfe A, Saxne T, Geborek P.Kristensen LE, et al. Among authors: christensen r.Arthritis Care Res (Hoboken). 2014 Feb;66(2):173-9. doi: 10.1002/acr.22107.Arthritis Care Res (Hoboken). 2014.PMID: 23982986Free article.