title: A patient with apparently normal A1B red cells whose serum contains anti-B.
mesh_terms: D000017:ABO Blood-Group System; D001782:Blood Donors; D001789:Blood Group Antigens; D001803:Blood Transfusion; D004912:Erythrocytes / Q000378:metabolism; D005260:Female; D006801:Humans; D008875:Middle Aged; D012204:Rh-Hr Blood-Group System
chemical_list: D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System