title: Radiographic axial spondyloarthritis versus ankylosing spondylitis.
authors: Dokuz Eylul University School of Medicine, Division of Rheumatology, Izmir, Turkey. nurullah.akkoc@gmail.com.
authors: Nurullah
authors: N
authors: Akkoç
authors: Case Western Reserve University School of Medicine, Division of Rheumatology, Cleveland, OH, USA.
authors: Muhammad Asim
authors: MA
authors: Khan
mesh_terms: D002965:Classification / Q000379:methods*; D006801:Humans; D011859:Radiography; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging*; D013167:Spondylitis, Ankylosing