title: HL-A-antigens and psoriatic arthritis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001168:Arthritis / Q000150:complications / Q000188:drug therapy / Q000276:immunology*; D005260:Female; D006649:Histocompatibility Antigens / Q000032:analysis; D006650:Histocompatibility Testing; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000209:etiology / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens