Distribution of blood factors, ABO, MN and Rh in a group of American Negroes.
D001741:Black or African American; D001699:Biometry; D001789:Blood Group Antigens; D006801:Humans; D036341:Intercellular Signaling Peptides and Proteins; D010455:Peptides; D012204:Rh-Hr Blood-Group System / Q000706:statistics & numerical data*; D014481:United States
D001789:Blood Group Antigens; D036341:Intercellular Signaling Peptides and Proteins; D010455:Peptides; D012204:Rh-Hr Blood-Group System; C021266:vascular factor
BLOOD GROUPS; RH FACTORS/statistics