title: [New variant in the classification of rheumatoid arthritis].
mesh_terms: D000328:Adult; D001171:Arthritis, Juvenile / Q000145:classification / Q000276:immunology; D001172:Arthritis, Rheumatoid / Q000145:classification* / Q000276:immunology; D002648:Child; D006801:Humans; D012217:Rheumatoid Factor / Q000032:analysis
chemical_list: D012217:Rheumatoid Factor
vernacular_title: O novom variante klassifikatsii revmatoidnogo artrita.