Study of tolerance to the ABO blood group antigens.
D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D000906:Antibodies; D000941:Antigens; D001771:Blood Banks; D001782:Blood Donors; D001789:Blood Group Antigens; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D008297:Male
D000017:ABO Blood-Group System; D000906:Antibodies; D000941:Antigens; D001789:Blood Group Antigens