title: [Epidemiologic aspects of Bechterew's disease].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009664:Norway; D013167:Spondylitis, Ankylosing / Q000175:diagnosis / Q000453:epidemiology*
vernacular_title: Epidemiologiske forhold ved Bechterews sykdom.