title: Case definition of psoriatic arthritis.
authors.forename: H
authors.initials: H
authors.lastname: Marzo-Ortega
authors.forename: D
authors.initials: D
authors.lastname: McGonagle
authors.forename: D
authors.initials: D
authors.lastname: Veale
authors.forename: P
authors.initials: P
authors.lastname: Emery
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