title: ASAS classification criteria for axial spondyloarthritis: a look at the unfilled part of the glass.
authors.affiliation: Dokuz Eylul University School of Medicine, Division of Rheumatology, Izmir, Turkey. nurullah.akkoc@gmail.com.
authors.forename: N
authors.initials: N
authors.lastname: Akkoc
authors.forename: M A
authors.initials: MA
authors.lastname: Khan
mesh_terms: D006801:Humans; D008279:Magnetic Resonance Imaging; D012446:Sacroiliac Joint; D025241:Spondylarthritis / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology; D025242:Spondylarthropathies / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology; D013167:Spondylitis, Ankylosing / Q000145:classification* / Q000175:diagnosis / Q000453:epidemiology