Authors: S Saevarsdottir; H Kristjansdottir; G Grondal; T Vikingsdottir; K Steinsson; H Valdimarsson Journal: Ann Rheum Dis Date: 2006-01-26 Impact factor: 19.103
Authors: Odirlei André Monticielo; Tamara Mucenic; Ricardo Machado Xavier; João Carlos Tavares Brenol; José Artur Bogo Chies Journal: Clin Rheumatol Date: 2008-01-24 Impact factor: 2.980