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Alvarez-Rodriguez L, López-Hoyos M, Beares I, Mata C, Garcia-Unzueta M, Calvo-Alen J, Blanco R, Aurrecoechea E, Tripathi G, Martinez-Taboada VM.Alvarez-Rodriguez L, et al.Clin Exp Rheumatol. 2011 Sep-Oct;29(5):795-800. Epub 2011 Oct 31.Clin Exp Rheumatol. 2011.PMID: 22011399