title: [Arthritis in seronegative spondylarthropathy].
mesh_terms: D001168:Arthritis / Q000175:diagnosis*; D016918:Arthritis, Reactive / Q000175:diagnosis; D006801:Humans; D012217:Rheumatoid Factor / Q000032:analysis; D013167:Spondylitis, Ankylosing / Q000175:diagnosis*
chemical_list: D012217:Rheumatoid Factor
vernacular_title: Die Arthritis bei der seronegativen Spondylarthropathie.