title: [Ankylosing spondylitis].
authors.affiliation: Reumasäätiön sairaala, Heinola. markku.hakala@reuma.fi
authors.forename: Matti
authors.initials: M
authors.lastname: Laitinen
authors.forename: Markku
authors.initials: M
authors.lastname: Hakala
mesh_terms: D003937:Diagnosis, Differential; D018450:Disease Progression; D042241:Early Diagnosis; D005260:Female; D005387:Finland; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis* / Q000453:epidemiology; D008159:Lumbar Vertebrae; D008279:Magnetic Resonance Imaging; D008297:Male; D015995:Prevalence; D011379:Prognosis; D018570:Risk Assessment; D012720:Severity of Illness Index; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000453:epidemiology