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Núñez-Álvarez CA, Cabiedes J.Núñez-Álvarez CA, et al. Among authors: cabiedes j.Reumatol Clin. 2011 Jan-Feb;7(1):72-6. doi: 10.1016/j.reuma.2009.10.005. Epub 2009 Dec 31.Reumatol Clin. 2011.PMID: 21794784Free article.Review.Spanish.