title: Case definition of psoriatic arthritis.
authors.forename: A
authors.initials: A
authors.lastname: Spadaro
authors.forename: V
authors.initials: V
authors.lastname: Riccieri
authors.forename: E
authors.initials: E
authors.lastname: Taccari
mesh_terms: 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: D007074:Immunoglobulin G; D007155:Immunologic Factors; D018124:Receptors, Tumor Necrosis Factor; D000068800:Etanercept