title: The clinical relevance of a prediction rule for disease outcome in patients with undifferentiated arthritis: comment on the article by van der Helm-van Mil et al.
authors: H
authors: H
authors: Visser
authors: J M W
authors: JM
authors: Hazes
authors: J
authors: J
authors: Luime
mesh_terms: D018501:Antirheumatic Agents / Q000627:therapeutic use; D001168:Arthritis / Q000175:diagnosis* / Q000188:drug therapy / Q000503:physiopathology*; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000188:drug therapy / Q000503:physiopathology; D018450:Disease Progression; D019317:Evidence-Based Medicine; D006801:Humans; D007596:Joints / Q000503:physiopathology; D011237:Predictive Value of Tests; D011379:Prognosis; D012217:Rheumatoid Factor / Q000097:blood
chemical_list: D018501:Antirheumatic Agents; D012217:Rheumatoid Factor