title: B27 and agranulocytosis in rheumatoid arthritis patients treated with levamisole.
mesh_terms: D000380:Agranulocytosis / Q000139:chemically induced / Q000276:immunology*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy* / Q000276:immunology; D005260:Female; D006680:HLA Antigens / Q000032:analysis*; D006801:Humans; D007978:Levamisole / Q000009:adverse effects*; D008297:Male; D012306:Risk
chemical_list: D006680:HLA Antigens; D007978:Levamisole