Subgroups of A in the South African Bantu.
D000017:ABO Blood-Group System / Q000032:analysis / Q000145:classification*; D000349:Africa; D001741:Black or African American; D044383:Black People; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D007106:Immune Sera; D008297:Male; D012204:Rh-Hr Blood-Group System / Q000032:analysis / Q000145:classification*; D012463:Saliva / Q000032:analysis
D000017:ABO Blood-Group System; D007106:Immune Sera; D012204:Rh-Hr Blood-Group System