title: Facet Pain Syndrome and Nonradiographic Axial Spondyloarthritis.
authors.affiliation: Hospital Clínico de San Carlos, Madrid, Spain.
authors.forename: Francisco Javier
authors.initials: FJ
authors.lastname: Olmedo-Garzón
mesh_terms: D018771:Arthralgia / Q000276:immunology / Q000503:physiopathology*; D001855:Bone Marrow Diseases / Q000276:immunology / Q000503:physiopathology; D004487:Edema / Q000276:immunology / Q000503:physiopathology; D005260:Female; D015796:HLA-B27 Antigen / Q000276:immunology; D006801:Humans; D008141:Lordosis / Q000503:physiopathology*; D017116:Low Back Pain / Q000276:immunology / Q000503:physiopathology*; D008161:Lumbosacral Region; D012446:Sacroiliac Joint / Q000503:physiopathology; D012737:Sex Factors; D025241:Spondylarthritis / Q000276:immunology / Q000503:physiopathology*; D021801:Zygapophyseal Joint / Q000503:physiopathology*
chemical_list: D015796:HLA-B27 Antigen