The development of Assessment of SpondyloArthritis international Society classification criteria for axial spondyloarthritis (part II): validation and final selection
M Rudwaleit, D van der Heijde, R Landewé, J Listing, N Akkoc, J Brandt, J Braun, C T Chou, E Collantes-Estevez, M Dougados, F Huang, J Gu, M A Khan, Y Kirazli, W P Maksymowych, H Mielants, I J Sørensen, S Ozgocmen, E Roussou, R Valle-Oñate, U Weber, J Wei, J Sieper
Annals of the Rheumatic Diseases Jun 2009, 68 (6) 777-783; DOI: 10.1136/ard.2009.108233