title: Comparison of a disease-specific and a generic instrument for measuring health-related quality of life in ankylosing spondylitis.
authors.affiliation: University of Leeds, Leeds, UK.
authors.forename: Philip S
authors.initials: PS
authors.lastname: Helliwell
authors.forename: Helena
authors.initials: H
authors.lastname: Marzo-Ortega
authors.forename: Alan
authors.initials: A
authors.lastname: Tennant
mesh_terms: D006801:Humans; D011788:Quality of Life; D013167:Spondylitis, Ankylosing; D011795:Surveys and Questionnaires