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Caporali R, Cimmino MA, Ferraccioli G, Gerli R, Klersy C, Salvarani C, Montecucco C; Systemic Vasculitis Study Group of the Italian Society for Rheumatology.Caporali R, et al. Among authors: montecucco c.Ann Intern Med. 2004 Oct 5;141(7):493-500. doi: 10.7326/0003-4819-141-7-200410050-00005.Ann Intern Med. 2004.PMID: 15466766Clinical Trial.