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Mandl, P; Naredo, E; Wakefield, RJ; Conaghan, PG; D'Agostino, MA; Ziswiler, HR (2011). A Systemic literature review analysis of ultrasound joint count and scoring system to assess synovitis in rheumatoid arthritis according to the OMERACT filter. Journal of rheumatology, 38(9), pp. 2055-2062. Toronto, Ont.: Journal of Rheumatology Pub. Co. 10.3899/jrheum.110424
