title: Defining outcome in ankylosing spondylitis. Where have we been, where are we and where do we go from here?
authors.forename: Andrei
authors.initials: A
authors.lastname: Calin
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D012219:Rheumatology / Q000639:trends*; D012720:Severity of Illness Index; D013167:Spondylitis, Ankylosing / Q000503:physiopathology / Q000534:rehabilitation*; D016896:Treatment Outcome