title: Non-radiographic axial spondyloarthritis: a classification or a diagnosis?
authors.affiliation: Rheumazentrum Ruhrgebiet, Ruhr-University Bochum, Herne, Germany. juergen.braun@elisabethgruppe.de.
authors.forename: Juergen
authors.initials: J
authors.lastname: Braun
authors.affiliation: Rheumazentrum Ruhrgebiet, Ruhr-University Bochum, Herne, Germany.
authors.forename: Xenofon
authors.initials: X
authors.lastname: Baraliakos
authors.affiliation: Rheumazentrum Ruhrgebiet, Ruhr-University Bochum, Herne, Germany.
authors.forename: Uta
authors.initials: U
authors.lastname: Kiltz
mesh_terms: D002965:Classification / Q000379:methods*; D003937:Diagnosis, Differential; D006801:Humans; D011859:Radiography; D015203:Reproducibility of Results; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging*; D013167:Spondylitis, Ankylosing / Q000145:classification / Q000175:diagnosis