title: ABO, MN, and Rh blood groups among North Alabama Negroes.
mesh_terms: D000017:ABO Blood-Group System; D001741:Black or African American; D000407:Alabama; D001789:Blood Group Antigens; D002648:Child; D005260:Female; D005838:Genotype; D006801:Humans; D008297:Male; D010641:Phenotype; D012204:Rh-Hr Blood-Group System
chemical_list: D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System