title: Prognosis of psoriatic arthritis.
mesh_terms: D000328:Adult; D001168:Arthritis / Q000150:complications* / Q000235:genetics; D006680:HLA Antigens / Q000032:analysis; D015796:HLA-B27 Antigen; D006801:Humans; D008875:Middle Aged; D011379:Prognosis; D011565:Psoriasis / Q000150:complications* / Q000235:genetics; D013167:Spondylitis, Ankylosing / Q000150:complications
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen