Authors: H Visser; K Vos; E Zanelli; W Verduyn; G M Th Schreuder; I Speyer; F C Breedveld; J M W Hazes Journal: Ann Rheum Dis Date: 2002-06 Impact factor: 19.103
Authors: Isabella Lima; Daniel Sá Ribeiro; Augusto Cesare; Walter G Machado; Mittermayer B Santiago Journal: Rheumatol Int Date: 2011-12-24 Impact factor: 2.631