title: One million U.S. adults may suffer from psoriatic arthritis.
mesh_terms: D000328:Adult; D018501:Antirheumatic Agents / Q000627:therapeutic use*; D015535:Arthritis, Psoriatic / Q000188:drug therapy / Q000453:epidemiology*; D000068800:Etanercept; D006801:Humans; D007074:Immunoglobulin G / Q000627:therapeutic use*; D018124:Receptors, Tumor Necrosis Factor / Q000627:therapeutic use*; D014481:United States / Q000453:epidemiology
chemical_list: D018501:Antirheumatic Agents; D007074:Immunoglobulin G; D018124:Receptors, Tumor Necrosis Factor; D000068800:Etanercept