title: Just released from the ASAS factory! First steps towards a disease activity score for ankylosing spondylitis.
authors.forename: Maarten
authors.initials: M
authors.lastname: Boers
mesh_terms: D018501:Antirheumatic Agents / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000188:drug therapy / Q000503:physiopathology; D002908:Chronic Disease; D004185:Disability Evaluation; D006801:Humans; D012720:Severity of Illness Index; D013167:Spondylitis, Ankylosing / Q000188:drug therapy / Q000503:physiopathology*; D016896:Treatment Outcome; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors
chemical_list: D018501:Antirheumatic Agents; D014409:Tumor Necrosis Factor-alpha