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Elefante E, Tripoli A, Ferro F, Baldini C.Elefante E, et al. Among authors: ferro f.Clin Exp Rheumatol. 2016 May-Jun;34(3 Suppl 97):S1-6. Epub 2016 May 23.Clin Exp Rheumatol. 2016.PMID: 27214397Free article.Review.