title: Are the classification criteria for psoriatic arthritis better than existing criteria for diagnosing psoriatic arthritis? Comment on the article by Taylor et al.
authors.forename: Dennis
authors.initials: D
authors.lastname: McGonagle
authors.forename: Ai Lyn
authors.initials: AL
authors.lastname: Tan
mesh_terms: D015535:Arthritis, Psoriatic / Q000145:classification* / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D007391:International Cooperation; D008279:Magnetic Resonance Imaging; D011379:Prognosis; D012216:Rheumatic Diseases / Q000145:classification / Q000175:diagnosis / Q000473:pathology; D012680:Sensitivity and Specificity