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David Campos-González I, Eva Viveros M, Cardiel MH.David Campos-González I, et al. Among authors: cardiel mh.Reumatol Clin. 2007 May;3(3):110-6. doi: 10.1016/S1699-258X(07)73677-X. Epub 2008 Dec 29.Reumatol Clin. 2007.PMID: 21794412Free article.Spanish.