title: Does the age of onset of rheumatoid arthritis influence phenotype?: a prospective study of outcome and prognostic factors.
authors.forename: B J
authors.initials: BJ
authors.lastname: Harrison
authors.forename: A J
authors.initials: AJ
authors.lastname: Silman
authors.forename: D P
authors.initials: DP
authors.lastname: Symmons
mesh_terms: D017668:Age of Onset; D000368:Aged; D018501:Antirheumatic Agents / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000188:drug therapy / Q000453:epidemiology* / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010641:Phenotype; D011446:Prospective Studies; D012074:Remission Induction
chemical_list: D018501:Antirheumatic Agents