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Serum levels of CXCL13 are associated with ultrasonographic synovitis and predict power Doppler persistence in early rheumatoid arthritis treated with non-biological disease-modifying anti-rheumatic drugs

Serena Bugatti, Antonio Manzo, Francesca Benaglio, Catherine Klersy, Barbara Vitolo, Monica Todoerti, Garifallia Sakellariou, Carlomaurizio Montecucco and Roberto Caporali*

Arthritis Research & Therapy 2012, 14:R34  doi:10.1186/ar3742

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