RT Journal Article SR Electronic T1 Easy assessment of axial spondyloarthritis (early ankylosing spondylitis) at the bedside JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1251 OP 1252 DO 10.1136/ard.2005.051045 VO 65 IS 9 A1 Rudwaleit, M A1 Feldtkeller, E A1 Sieper, J YR 2006 UL http://ard.bmj.com/content/65/9/1251.abstract AB