title: Isohaemagglutinins anti-A nd anti-B in rheumatoid arthritis and ankylosing spondylitis.
mesh_terms: D000017:ABO Blood-Group System; D000328:Adult; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001789:Blood Group Antigens; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D007518:Isoantibodies / Q000032:analysis*; D008297:Male; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D007518:Isoantibodies