title: Case definition of psoriatic arthritis.
authors.forename: W J
authors.initials: WJ
authors.lastname: Taylor
authors.forename: D E
authors.initials: DE
authors.lastname: Fellow
authors.forename: P S
authors.initials: PS
authors.lastname: Helliwell
mesh_terms: D018501:Antirheumatic Agents / Q000627:therapeutic use*; D015535:Arthritis, Psoriatic / Q000175:diagnosis / Q000188:drug therapy*; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000188:drug therapy; D003937:Diagnosis, Differential; D000068800:Etanercept; D006801:Humans; D007074:Immunoglobulin G / Q000627:therapeutic use*; D007155:Immunologic Factors / Q000627:therapeutic use*; D018124:Receptors, Tumor Necrosis Factor / Q000627:therapeutic use*
chemical_list: D018501:Antirheumatic Agents; D007074:Immunoglobulin G; D007155:Immunologic Factors; D018124:Receptors, Tumor Necrosis Factor; D000068800:Etanercept