title: HLA-B27-associated spondylarthritis in chronic brucellosis.
mesh_terms: D002006:Brucellosis / Q000276:immunology*; D002908:Chronic Disease; D005260:Female; D006680:HLA Antigens; D006801:Humans; D008297:Male; D013166:Spondylitis / Q000209:etiology*
chemical_list: D006680:HLA Antigens