title: Use of biologic agents in rheumatoid arthritis: introduction.
authors.affiliation: Arthritis Research UK, Chesterfield, UK. a.silman@arthritisresearchuk.org
authors.forename: Alan J
authors.initials: AJ
authors.lastname: Silman
mesh_terms: D018501:Antirheumatic Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001688:Biological Products / Q000627:therapeutic use*; D019317:Evidence-Based Medicine / Q000379:methods; D006801:Humans; D016896:Treatment Outcome; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*
chemical_list: D018501:Antirheumatic Agents; D001688:Biological Products; D014409:Tumor Necrosis Factor-alpha