title: [Evaluation of the degree of invalidation of ankylosing spondylitis].
mesh_terms: D004185:Disability Evaluation; D006801:Humans; D011379:Prognosis; D013167:Spondylitis, Ankylosing / Q000175:diagnosis*
vernacular_title: Invaliditätsgradeinschätzung bei Spondylitis ankylosans.