Authors: Leomar D C Lyrio; Maria Fernanda R Grassi; Iuri U Santana; Viviana G Olavarria; Aline do N Gomes; Licia CostaPinto; Rone Peterson C Oliveira; Rita de Cássia R Aquino; Mittermayer B Santiago Journal: Rheumatol Int Date: 2012-03-27 Impact factor: 2.631