title: HLA-B27, rheumatoid factor and spondyloarthritis.
authors.forename: A
authors.initials: A
authors.lastname: Calin
mesh_terms: D001168:Arthritis / Q000276:immunology*; D015796:HLA-B27 Antigen / Q000032:analysis*; D006801:Humans; D012217:Rheumatoid Factor / Q000032:analysis*; D013122:Spinal Diseases / Q000276:immunology*
chemical_list: D015796:HLA-B27 Antigen; D012217:Rheumatoid Factor