Assessment of SpondyloArthritis international Society
'The Assessment of SpondyloArthritis international Society (ASAS) handbook: a guide to assess spondyloarthritis', Annals of the Rheumatic Diseases, 68: ii1-ii44.
'The Assessment of SpondyloArthritis international Society ( ASAS ) handbook : a guide to assess spondyloarthritis', Annals of the Rheumatic Diseases, 68 : ii1-ii44 .