title: Classification and diagnosis of seronegative spondyloarthropathies.
authors.affiliation: Department of Rheumatology, Institute of Clinical Medicine, University of Tromsø, Norway.
authors.forename: J T
authors.initials: JT
authors.lastname: Gran
mesh_terms: D001172:Arthritis, Rheumatoid / Q000145:classification / Q000175:diagnosis*; D017408:Guidelines as Topic; D006801:Humans; D012698:Serologic Tests; D013166:Spondylitis / Q000145:classification / Q000175:diagnosis*