The Henshaw blood factor in New York City Negroes.
D044383:Black People; D001789:Blood Group Antigens; D006801:Humans; D036341:Intercellular Signaling Peptides and Proteins; D009519:New York City; D010455:Peptides; D001741:Black or African American
D001789:Blood Group Antigens; D036341:Intercellular Signaling Peptides and Proteins; D010455:Peptides; C021266:vascular factor
BLOOD GROUPS