Assessments in ankylosing spondylitis

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Results of a randomized controlled trial (ASSERT), Arthritis and Rheumatism, 52, 582, 10.1002/art.20852 van Echteld, 2006, Identification of the most common problems in patients with ankylosing spondylitis using the International Classification of Functioning, Disability and Health, The Journal of Rheumatology, 33, 2475 Zochling, 2006, Identification of health problems in patients with acute inflammatory arthritis, using the International Classification of Functioning, Disability and Health (ICF), Clinical and Experimental Rheumatology, 24, 239 Sigl, 2005, ICF-based comparison of disease-specific instruments measuring physical functional ability for ankylosing spondylitis, Annals of the Rheumatic Diseases, 64, 1576, 10.1136/ard.2004.027185 Calin, 1994, A new approach to defining functional ability in ankylosing spondylitis: the development of the Bath Ankylosing Spondylitis Functional Index, The Journal of Rheumatology, 21, 2281 Dougados, 1990, Evaluation of a functional index for 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