Authors: Antonios Stavropoulos-Kalinoglou; Giorgos S Metsios; Yiannis Koutedakis; Alan M Nevill; Karen M Douglas; Athanasios Jamurtas; Jet J C S Veldhuijzen van Zanten; Mourad Labib; George D Kitas Journal: Ann Rheum Dis Date: 2007-02-08 Impact factor: 19.103