title: Fluctuation of natural anti-A and anti-B in high-titre Ugandans.
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D044383:Black People; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D007518:Isoantibodies / Q000032:analysis*; D008297:Male; D014454:Uganda
chemical_list: D000017:ABO Blood-Group System; D007518:Isoantibodies