title: Classification criteria for rheumatoid arthritis--time to abandon rheumatoid factor?
authors.forename: D P M
authors.initials: DP
authors.lastname: Symmons
mesh_terms: D001172:Arthritis, Rheumatoid / Q000145:classification* / Q000175:diagnosis; D001323:Autoantibodies / Q000097:blood; D015415:Biomarkers / Q000097:blood; D006801:Humans; D010456:Peptides, Cyclic / Q000276:immunology; D012217:Rheumatoid Factor / Q000097:blood*
chemical_list: D001323:Autoantibodies; D015415:Biomarkers; D010456:Peptides, Cyclic; C487763:cyclic citrullinated peptide; D012217:Rheumatoid Factor