title: Etanercept in the treatment of severe, resistant psoriatic arthritis: continued efficacy and changing patterns of use after two years.
authors.forename: Y
authors.initials: Y
authors.lastname: Yazici
authors.forename: D
authors.initials: D
authors.lastname: Erkan
authors.forename: M D
authors.initials: MD
authors.lastname: Lockshin
mesh_terms: D000328:Adult; D018501:Antirheumatic Agents / Q000627:therapeutic use*; D015535:Arthritis, Psoriatic / Q000188:drug therapy*; D000068800:Etanercept; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007074:Immunoglobulin G / Q000627:therapeutic use*; D008297:Male; D018124:Receptors, Tumor Necrosis Factor / Q000627:therapeutic use*
chemical_list: D018501:Antirheumatic Agents; D007074:Immunoglobulin G; D018124:Receptors, Tumor Necrosis Factor; D000068800:Etanercept